Calculus Examples

$\int {(x^{4} + 9)}^{8} d x$

Step 1

Expand ${(x^{4} + 9)}^{8}$ .

Tap for more steps...

Step 1.1

Use the Binomial Theorem.

$\int {(x^{4})}^{8} + 8 {(x^{4})}^{7} \cdot 9 + 28 {(x^{4})}^{6} \cdot 9^{2} + 56 {(x^{4})}^{5} \cdot 9^{3} + 70 {(x^{4})}^{4} \cdot 9^{4} + 56 {(x^{4})}^{3} \cdot 9^{5} + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.2

Rewrite the exponentiation as a product.

$\int x^{4} {(x^{4})}^{7} + 8 {(x^{4})}^{7} \cdot 9 + 28 {(x^{4})}^{6} \cdot 9^{2} + 56 {(x^{4})}^{5} \cdot 9^{3} + 70 {(x^{4})}^{4} \cdot 9^{4} + 56 {(x^{4})}^{3} \cdot 9^{5} + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.3

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} {(x^{4})}^{6}) + 8 {(x^{4})}^{7} \cdot 9 + 28 {(x^{4})}^{6} \cdot 9^{2} + 56 {(x^{4})}^{5} \cdot 9^{3} + 70 {(x^{4})}^{4} \cdot 9^{4} + 56 {(x^{4})}^{3} \cdot 9^{5} + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.4

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} {(x^{4})}^{5})) + 8 {(x^{4})}^{7} \cdot 9 + 28 {(x^{4})}^{6} \cdot 9^{2} + 56 {(x^{4})}^{5} \cdot 9^{3} + 70 {(x^{4})}^{4} \cdot 9^{4} + 56 {(x^{4})}^{3} \cdot 9^{5} + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.5

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} {(x^{4})}^{4}))) + 8 {(x^{4})}^{7} \cdot 9 + 28 {(x^{4})}^{6} \cdot 9^{2} + 56 {(x^{4})}^{5} \cdot 9^{3} + 70 {(x^{4})}^{4} \cdot 9^{4} + 56 {(x^{4})}^{3} \cdot 9^{5} + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.6

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} {(x^{4})}^{3})))) + 8 {(x^{4})}^{7} \cdot 9 + 28 {(x^{4})}^{6} \cdot 9^{2} + 56 {(x^{4})}^{5} \cdot 9^{3} + 70 {(x^{4})}^{4} \cdot 9^{4} + 56 {(x^{4})}^{3} \cdot 9^{5} + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.7

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} {(x^{4})}^{2}))))) + 8 {(x^{4})}^{7} \cdot 9 + 28 {(x^{4})}^{6} \cdot 9^{2} + 56 {(x^{4})}^{5} \cdot 9^{3} + 70 {(x^{4})}^{4} \cdot 9^{4} + 56 {(x^{4})}^{3} \cdot 9^{5} + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.8

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 {(x^{4})}^{7} \cdot 9 + 28 {(x^{4})}^{6} \cdot 9^{2} + 56 {(x^{4})}^{5} \cdot 9^{3} + 70 {(x^{4})}^{4} \cdot 9^{4} + 56 {(x^{4})}^{3} \cdot 9^{5} + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.9

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} {(x^{4})}^{6}) \cdot 9 + 28 {(x^{4})}^{6} \cdot 9^{2} + 56 {(x^{4})}^{5} \cdot 9^{3} + 70 {(x^{4})}^{4} \cdot 9^{4} + 56 {(x^{4})}^{3} \cdot 9^{5} + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.10

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} {(x^{4})}^{5})) \cdot 9 + 28 {(x^{4})}^{6} \cdot 9^{2} + 56 {(x^{4})}^{5} \cdot 9^{3} + 70 {(x^{4})}^{4} \cdot 9^{4} + 56 {(x^{4})}^{3} \cdot 9^{5} + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.11

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} {(x^{4})}^{4}))) \cdot 9 + 28 {(x^{4})}^{6} \cdot 9^{2} + 56 {(x^{4})}^{5} \cdot 9^{3} + 70 {(x^{4})}^{4} \cdot 9^{4} + 56 {(x^{4})}^{3} \cdot 9^{5} + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.12

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} {(x^{4})}^{3})))) \cdot 9 + 28 {(x^{4})}^{6} \cdot 9^{2} + 56 {(x^{4})}^{5} \cdot 9^{3} + 70 {(x^{4})}^{4} \cdot 9^{4} + 56 {(x^{4})}^{3} \cdot 9^{5} + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.13

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} {(x^{4})}^{2}))))) \cdot 9 + 28 {(x^{4})}^{6} \cdot 9^{2} + 56 {(x^{4})}^{5} \cdot 9^{3} + 70 {(x^{4})}^{4} \cdot 9^{4} + 56 {(x^{4})}^{3} \cdot 9^{5} + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.14

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 {(x^{4})}^{6} \cdot 9^{2} + 56 {(x^{4})}^{5} \cdot 9^{3} + 70 {(x^{4})}^{4} \cdot 9^{4} + 56 {(x^{4})}^{3} \cdot 9^{5} + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.15

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} {(x^{4})}^{5}) \cdot 9^{2} + 56 {(x^{4})}^{5} \cdot 9^{3} + 70 {(x^{4})}^{4} \cdot 9^{4} + 56 {(x^{4})}^{3} \cdot 9^{5} + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.16

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} {(x^{4})}^{4})) \cdot 9^{2} + 56 {(x^{4})}^{5} \cdot 9^{3} + 70 {(x^{4})}^{4} \cdot 9^{4} + 56 {(x^{4})}^{3} \cdot 9^{5} + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.17

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} {(x^{4})}^{3}))) \cdot 9^{2} + 56 {(x^{4})}^{5} \cdot 9^{3} + 70 {(x^{4})}^{4} \cdot 9^{4} + 56 {(x^{4})}^{3} \cdot 9^{5} + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.18

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} {(x^{4})}^{2})))) \cdot 9^{2} + 56 {(x^{4})}^{5} \cdot 9^{3} + 70 {(x^{4})}^{4} \cdot 9^{4} + 56 {(x^{4})}^{3} \cdot 9^{5} + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.19

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot 9^{2} + 56 {(x^{4})}^{5} \cdot 9^{3} + 70 {(x^{4})}^{4} \cdot 9^{4} + 56 {(x^{4})}^{3} \cdot 9^{5} + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.20

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 {(x^{4})}^{5} \cdot 9^{3} + 70 {(x^{4})}^{4} \cdot 9^{4} + 56 {(x^{4})}^{3} \cdot 9^{5} + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.21

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} {(x^{4})}^{4}) \cdot 9^{3} + 70 {(x^{4})}^{4} \cdot 9^{4} + 56 {(x^{4})}^{3} \cdot 9^{5} + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.22

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} {(x^{4})}^{3})) \cdot 9^{3} + 70 {(x^{4})}^{4} \cdot 9^{4} + 56 {(x^{4})}^{3} \cdot 9^{5} + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.23

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} {(x^{4})}^{2}))) \cdot 9^{3} + 70 {(x^{4})}^{4} \cdot 9^{4} + 56 {(x^{4})}^{3} \cdot 9^{5} + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.24

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot 9^{3} + 70 {(x^{4})}^{4} \cdot 9^{4} + 56 {(x^{4})}^{3} \cdot 9^{5} + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.25

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot 9^{2}) + 70 {(x^{4})}^{4} \cdot 9^{4} + 56 {(x^{4})}^{3} \cdot 9^{5} + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.26

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 {(x^{4})}^{4} \cdot 9^{4} + 56 {(x^{4})}^{3} \cdot 9^{5} + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.27

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} {(x^{4})}^{3}) \cdot 9^{4} + 56 {(x^{4})}^{3} \cdot 9^{5} + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.28

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} {(x^{4})}^{2})) \cdot 9^{4} + 56 {(x^{4})}^{3} \cdot 9^{5} + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.29

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot 9^{4} + 56 {(x^{4})}^{3} \cdot 9^{5} + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.30

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot 9^{3}) + 56 {(x^{4})}^{3} \cdot 9^{5} + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.31

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot 9^{2})) + 56 {(x^{4})}^{3} \cdot 9^{5} + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.32

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 {(x^{4})}^{3} \cdot 9^{5} + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.33

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} {(x^{4})}^{2}) \cdot 9^{5} + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.34

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot 9^{5} + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.35

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot 9^{4}) + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.36

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot 9^{3})) + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.37

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot 9^{2}))) + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.38

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 {(x^{4})}^{2} \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.39

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot 9^{6} + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.40

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot 9^{5}) + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.41

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot 9^{4})) + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.42

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot 9^{3}))) + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.43

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9^{2})))) + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.44

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot 9^{7} + 9^{8} d x$

Step 1.45

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot 9^{6}) + 9^{8} d x$

Step 1.46

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot 9^{5})) + 9^{8} d x$

Step 1.47

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot 9^{4}))) + 9^{8} d x$

Step 1.48

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9^{3})))) + 9^{8} d x$

Step 1.49

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9^{2}))))) + 9^{8} d x$

Step 1.50

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9^{8} d x$

Step 1.51

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot 9^{7} d x$

Step 1.52

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot 9^{6}) d x$

Step 1.53

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot 9^{5})) d x$

Step 1.54

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot 9^{4}))) d x$

Step 1.55

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9^{3})))) d x$

Step 1.56

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9^{2}))))) d x$

Step 1.57

Rewrite the exponentiation as a product.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.58

Move parentheses.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}) x^{4})))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.59

Move parentheses.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4} x^{4}) x^{4}))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.60

Move parentheses.

$\int x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}) x^{4} x^{4}))) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.61

Move parentheses.

$\int x^{4} (x^{4} (x^{4} (x^{4} x^{4} x^{4} x^{4}) x^{4})) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.62

Move parentheses.

$\int x^{4} (x^{4} (x^{4} (x^{4} x^{4} x^{4}) x^{4} x^{4})) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.63

Move parentheses.

$\int x^{4} (x^{4} (x^{4} (x^{4} x^{4}) x^{4} x^{4} x^{4})) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.64

Move parentheses.

$\int x^{4} (x^{4} (x^{4} x^{4} x^{4} x^{4} x^{4}) x^{4}) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.65

Move parentheses.

$\int x^{4} (x^{4} (x^{4} x^{4} x^{4} x^{4}) x^{4} x^{4}) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.66

Move parentheses.

$\int x^{4} (x^{4} (x^{4} x^{4} x^{4}) x^{4} x^{4} x^{4}) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.67

Move parentheses.

$\int x^{4} (x^{4} (x^{4} x^{4}) x^{4} x^{4} x^{4} x^{4}) + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.68

Move parentheses.

$\int x^{4} (x^{4} x^{4} x^{4} x^{4} x^{4} x^{4}) x^{4} + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.69

Move parentheses.

$\int x^{4} (x^{4} x^{4} x^{4} x^{4} x^{4}) x^{4} x^{4} + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.70

Move parentheses.

$\int x^{4} (x^{4} x^{4} x^{4} x^{4}) x^{4} x^{4} x^{4} + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.71

Move parentheses.

$\int x^{4} (x^{4} x^{4} x^{4}) x^{4} x^{4} x^{4} x^{4} + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.72

Move parentheses.

$\int x^{4} (x^{4} x^{4}) x^{4} x^{4} x^{4} x^{4} x^{4} + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.73

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}) x^{4})))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.74

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 (x^{4} (x^{4} (x^{4} (x^{4} x^{4} x^{4}) x^{4}))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.75

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 (x^{4} (x^{4} (x^{4} (x^{4} x^{4}) x^{4} x^{4}))) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.76

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 (x^{4} (x^{4} (x^{4} x^{4} x^{4} x^{4}) x^{4})) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.77

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 (x^{4} (x^{4} (x^{4} x^{4} x^{4}) x^{4} x^{4})) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.78

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 (x^{4} (x^{4} (x^{4} x^{4}) x^{4} x^{4} x^{4})) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.79

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 (x^{4} (x^{4} x^{4} x^{4} x^{4} x^{4}) x^{4}) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.80

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 (x^{4} (x^{4} x^{4} x^{4} x^{4}) x^{4} x^{4}) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.81

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 (x^{4} (x^{4} x^{4} x^{4}) x^{4} x^{4} x^{4}) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.82

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 (x^{4} (x^{4} x^{4}) x^{4} x^{4} x^{4} x^{4}) \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.83

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 (x^{4} x^{4} x^{4} x^{4} x^{4} x^{4}) x^{4} \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.84

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 (x^{4} x^{4} x^{4} x^{4} x^{4}) x^{4} x^{4} \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.85

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 (x^{4} x^{4} x^{4} x^{4}) x^{4} x^{4} x^{4} \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.86

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 (x^{4} x^{4} x^{4}) x^{4} x^{4} x^{4} x^{4} \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.87

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 (x^{4} x^{4}) x^{4} x^{4} x^{4} x^{4} x^{4} \cdot 9 + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.88

Move $x^{4}$ .

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} \cdot 9 x^{4} + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.89

Move $x^{4}$ .

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 x^{4} x^{4} x^{4} x^{4} x^{4} \cdot 9 x^{4} x^{4} + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.90

Move $x^{4}$ .

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 x^{4} x^{4} x^{4} x^{4} \cdot 9 x^{4} x^{4} x^{4} + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.91

Move $x^{4}$ .

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 x^{4} x^{4} x^{4} \cdot 9 x^{4} x^{4} x^{4} x^{4} + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.92

Move $x^{4}$ .

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 x^{4} x^{4} \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.93

Move $x^{4}$ .

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 x^{4} \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.94

Move $x^{4}$ .

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 (x^{4} (x^{4} (x^{4} (x^{4} (x^{4} x^{4}))))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.95

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 (x^{4} (x^{4} (x^{4} (x^{4} x^{4}) x^{4}))) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.96

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 (x^{4} (x^{4} (x^{4} x^{4} x^{4}) x^{4})) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.97

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 (x^{4} (x^{4} (x^{4} x^{4}) x^{4} x^{4})) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.98

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 (x^{4} (x^{4} x^{4} x^{4} x^{4}) x^{4}) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.99

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 (x^{4} (x^{4} x^{4} x^{4}) x^{4} x^{4}) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.100

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 (x^{4} (x^{4} x^{4}) x^{4} x^{4} x^{4}) \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.101

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 (x^{4} x^{4} x^{4} x^{4} x^{4}) x^{4} \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.102

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 (x^{4} x^{4} x^{4} x^{4}) x^{4} x^{4} \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.103

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 (x^{4} x^{4} x^{4}) x^{4} x^{4} x^{4} \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.104

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 (x^{4} x^{4}) x^{4} x^{4} x^{4} x^{4} \cdot (9 \cdot 9) + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.105

Move $x^{4}$ .

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 x^{4} x^{4} x^{4} x^{4} x^{4} \cdot 9 \cdot 9 x^{4} + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.106

Move $x^{4}$ .

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 x^{4} x^{4} x^{4} x^{4} \cdot 9 \cdot 9 x^{4} x^{4} + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.107

Move $x^{4}$ .

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 x^{4} x^{4} x^{4} \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.108

Move $x^{4}$ .

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 x^{4} x^{4} \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.109

Move $x^{4}$ .

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 x^{4} \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.110

Move $x^{4}$ .

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 (x^{4} (x^{4} (x^{4} (x^{4} x^{4})))) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.111

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 (x^{4} (x^{4} (x^{4} x^{4}) x^{4})) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.112

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 (x^{4} (x^{4} x^{4} x^{4}) x^{4}) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.113

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 (x^{4} (x^{4} x^{4}) x^{4} x^{4}) \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.114

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 (x^{4} x^{4} x^{4} x^{4}) x^{4} \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.115

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 (x^{4} x^{4} x^{4}) x^{4} x^{4} \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.116

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 (x^{4} x^{4}) x^{4} x^{4} x^{4} \cdot (9 \cdot (9 \cdot 9)) + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.117

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 x^{4} x^{4} x^{4} x^{4} x^{4} \cdot (9 \cdot 9) \cdot 9 + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.118

Move $x^{4}$ .

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + (56 x^{4} x^{4} x^{4} x^{4} \cdot (9 \cdot 9)) \cdot 9 x^{4} + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.119

Move $x^{4}$ .

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + (56 x^{4} x^{4} x^{4} \cdot (9 \cdot 9)) \cdot 9 x^{4} x^{4} + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.120

Move $x^{4}$ .

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + (56 x^{4} x^{4} \cdot (9 \cdot 9)) \cdot 9 x^{4} x^{4} x^{4} + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.121

Move $x^{4}$ .

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + (56 x^{4} \cdot (9 \cdot 9)) \cdot 9 x^{4} x^{4} x^{4} x^{4} + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.122

Move $x^{4}$ .

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + (56 \cdot (9 \cdot 9)) \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 (x^{4} (x^{4} (x^{4} x^{4}))) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.123

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 (x^{4} (x^{4} x^{4}) x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.124

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 (x^{4} x^{4} x^{4}) x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.125

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 (x^{4} x^{4}) x^{4} x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot 9))) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.126

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 x^{4} x^{4} x^{4} x^{4} \cdot (9 \cdot (9 \cdot 9) \cdot 9) + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.127

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 x^{4} x^{4} x^{4} x^{4} \cdot (9 \cdot 9 \cdot 9) \cdot 9 + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.128

Move $x^{4}$ .

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + (70 x^{4} x^{4} x^{4} \cdot (9 \cdot 9 \cdot 9)) \cdot 9 x^{4} + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.129

Move $x^{4}$ .

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + (70 x^{4} x^{4} \cdot (9 \cdot 9 \cdot 9)) \cdot 9 x^{4} x^{4} + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.130

Move $x^{4}$ .

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + (70 x^{4} \cdot (9 \cdot 9 \cdot 9)) \cdot 9 x^{4} x^{4} x^{4} + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.131

Move $x^{4}$ .

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + (70 \cdot (9 \cdot 9 \cdot 9)) \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.132

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot (9 \cdot 9) \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 (x^{4} (x^{4} x^{4})) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.133

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 (x^{4} x^{4}) x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.134

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 x^{4} x^{4} x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot 9) \cdot 9)) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.135

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 x^{4} x^{4} x^{4} \cdot (9 \cdot (9 \cdot 9 \cdot 9) \cdot 9) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.136

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 x^{4} x^{4} x^{4} \cdot (9 \cdot (9 \cdot 9) \cdot 9 \cdot 9) + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.137

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 x^{4} x^{4} x^{4} \cdot (9 \cdot 9 \cdot 9 \cdot 9) \cdot 9 + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.138

Move $x^{4}$ .

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + (56 x^{4} x^{4} \cdot (9 \cdot 9 \cdot 9 \cdot 9)) \cdot 9 x^{4} + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.139

Move $x^{4}$ .

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + (56 x^{4} \cdot (9 \cdot 9 \cdot 9 \cdot 9)) \cdot 9 x^{4} x^{4} + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.140

Move $x^{4}$ .

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + (56 \cdot (9 \cdot 9 \cdot 9 \cdot 9)) \cdot 9 x^{4} x^{4} x^{4} + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.141

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot (9 \cdot 9 \cdot 9) \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.142

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot (9 \cdot 9) \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 (x^{4} x^{4}) \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9))))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.143

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 x^{4} x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9) \cdot 9))) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.144

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 x^{4} x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot 9 \cdot 9) \cdot 9)) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.145

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 x^{4} x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot 9) \cdot 9 \cdot 9)) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.146

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 x^{4} x^{4} \cdot (9 \cdot (9 \cdot 9 \cdot 9 \cdot 9) \cdot 9) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.147

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 x^{4} x^{4} \cdot (9 \cdot (9 \cdot 9 \cdot 9) \cdot 9 \cdot 9) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.148

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 x^{4} x^{4} \cdot (9 \cdot (9 \cdot 9) \cdot 9 \cdot 9 \cdot 9) + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.149

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 x^{4} x^{4} \cdot (9 \cdot 9 \cdot 9 \cdot 9 \cdot 9) \cdot 9 + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.150

Move $x^{4}$ .

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + (28 x^{4} \cdot (9 \cdot 9 \cdot 9 \cdot 9 \cdot 9)) \cdot 9 x^{4} + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.151

Move $x^{4}$ .

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + (28 \cdot (9 \cdot 9 \cdot 9 \cdot 9 \cdot 9)) \cdot 9 x^{4} x^{4} + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.152

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot (9 \cdot 9 \cdot 9 \cdot 9) \cdot 9 \cdot 9 x^{4} x^{4} + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.153

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot (9 \cdot 9 \cdot 9) \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.154

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot (9 \cdot 9) \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.155

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9) \cdot 9)))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.156

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9 \cdot 9) \cdot 9))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.157

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9) \cdot 9 \cdot 9))) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.158

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot 9 \cdot 9 \cdot 9) \cdot 9)) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.159

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot 9 \cdot 9) \cdot 9 \cdot 9)) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.160

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 x^{4} \cdot (9 \cdot (9 \cdot (9 \cdot 9) \cdot 9 \cdot 9 \cdot 9)) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.161

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 x^{4} \cdot (9 \cdot (9 \cdot 9 \cdot 9 \cdot 9 \cdot 9) \cdot 9) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.162

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 x^{4} \cdot (9 \cdot (9 \cdot 9 \cdot 9 \cdot 9) \cdot 9 \cdot 9) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.163

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 x^{4} \cdot (9 \cdot (9 \cdot 9 \cdot 9) \cdot 9 \cdot 9 \cdot 9) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.164

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 x^{4} \cdot (9 \cdot (9 \cdot 9) \cdot 9 \cdot 9 \cdot 9 \cdot 9) + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.165

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 x^{4} \cdot (9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9) \cdot 9 + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.166

Move $x^{4}$ .

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + (8 \cdot (9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9)) \cdot 9 x^{4} + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.167

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot (9 \cdot 9 \cdot 9 \cdot 9 \cdot 9) \cdot 9 \cdot 9 x^{4} + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.168

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot (9 \cdot 9 \cdot 9 \cdot 9) \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.169

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot (9 \cdot 9 \cdot 9) \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.170

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot (9 \cdot 9) \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9)))))) d x$

Step 1.171

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9) \cdot 9)))) d x$

Step 1.172

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9 \cdot 9) \cdot 9))) d x$

Step 1.173

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot (9 \cdot (9 \cdot (9 \cdot (9 \cdot 9) \cdot 9 \cdot 9))) d x$

Step 1.174

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot (9 \cdot (9 \cdot (9 \cdot 9 \cdot 9 \cdot 9) \cdot 9)) d x$

Step 1.175

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot (9 \cdot (9 \cdot (9 \cdot 9 \cdot 9) \cdot 9 \cdot 9)) d x$

Step 1.176

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot (9 \cdot (9 \cdot (9 \cdot 9) \cdot 9 \cdot 9 \cdot 9)) d x$

Step 1.177

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot (9 \cdot (9 \cdot 9 \cdot 9 \cdot 9 \cdot 9) \cdot 9) d x$

Step 1.178

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot (9 \cdot (9 \cdot 9 \cdot 9 \cdot 9) \cdot 9 \cdot 9) d x$

Step 1.179

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot (9 \cdot (9 \cdot 9 \cdot 9) \cdot 9 \cdot 9 \cdot 9) d x$

Step 1.180

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot (9 \cdot (9 \cdot 9) \cdot 9 \cdot 9 \cdot 9 \cdot 9) d x$

Step 1.181

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot (9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9) \cdot 9 d x$

Step 1.182

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot (9 \cdot 9 \cdot 9 \cdot 9 \cdot 9) \cdot 9 \cdot 9 d x$

Step 1.183

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot (9 \cdot 9 \cdot 9 \cdot 9) \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.184

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot (9 \cdot 9 \cdot 9) \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.185

Move parentheses.

$\int x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot (9 \cdot 9) \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.186

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\int x^{4 + 4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.187

Add $4$ and $4$ .

$\int x^{8} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.188

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\int x^{8 + 4} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.189

Add $8$ and $4$ .

$\int x^{12} x^{4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.190

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\int x^{12 + 4} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.191

Add $12$ and $4$ .

$\int x^{16} x^{4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.192

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\int x^{16 + 4} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.193

Add $16$ and $4$ .

$\int x^{20} x^{4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.194

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\int x^{20 + 4} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.195

Add $20$ and $4$ .

$\int x^{24} x^{4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.196

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\int x^{24 + 4} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.197

Add $24$ and $4$ .

$\int x^{28} x^{4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.198

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\int x^{28 + 4} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.199

Add $28$ and $4$ .

$\int x^{32} + 8 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.200

Multiply $8$ by $9$ .

$\int x^{32} + 72 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.201

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\int x^{32} + 72 x^{4 + 4} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.202

Add $4$ and $4$ .

$\int x^{32} + 72 x^{8} x^{4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.203

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\int x^{32} + 72 x^{8 + 4} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.204

Add $8$ and $4$ .

$\int x^{32} + 72 x^{12} x^{4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.205

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\int x^{32} + 72 x^{12 + 4} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.206

Add $12$ and $4$ .

$\int x^{32} + 72 x^{16} x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.207

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\int x^{32} + 72 x^{16 + 4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.208

Add $16$ and $4$ .

$\int x^{32} + 72 x^{20} x^{4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.209

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\int x^{32} + 72 x^{20 + 4} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.210

Add $20$ and $4$ .

$\int x^{32} + 72 x^{24} x^{4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.211

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\int x^{32} + 72 x^{24 + 4} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.212

Add $24$ and $4$ .

$\int x^{32} + 72 x^{28} + 28 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.213

Multiply $28$ by $9$ .

$\int x^{32} + 72 x^{28} + 252 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.214

Multiply $252$ by $9$ .

$\int x^{32} + 72 x^{28} + 2268 x^{4} x^{4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.215

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\int x^{32} + 72 x^{28} + 2268 x^{4 + 4} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.216

Add $4$ and $4$ .

$\int x^{32} + 72 x^{28} + 2268 x^{8} x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.217

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\int x^{32} + 72 x^{28} + 2268 x^{8 + 4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.218

Add $8$ and $4$ .

$\int x^{32} + 72 x^{28} + 2268 x^{12} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.219

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\int x^{32} + 72 x^{28} + 2268 x^{12 + 4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.220

Add $12$ and $4$ .

$\int x^{32} + 72 x^{28} + 2268 x^{16} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.221

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\int x^{32} + 72 x^{28} + 2268 x^{16 + 4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.222

Add $16$ and $4$ .

$\int x^{32} + 72 x^{28} + 2268 x^{20} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.223

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\int x^{32} + 72 x^{28} + 2268 x^{20 + 4} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.224

Add $20$ and $4$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 56 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.225

Multiply $56$ by $9$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 504 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.226

Multiply $504$ by $9$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 4536 \cdot 9 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.227

Multiply $4536$ by $9$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{4} x^{4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.228

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{4 + 4} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.229

Add $4$ and $4$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{8} x^{4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.230

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{8 + 4} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.231

Add $8$ and $4$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{12} x^{4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.232

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{12 + 4} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.233

Add $12$ and $4$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{16} x^{4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.234

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{16 + 4} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.235

Add $16$ and $4$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 70 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.236

Multiply $70$ by $9$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 630 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.237

Multiply $630$ by $9$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 5670 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.238

Multiply $5670$ by $9$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 51030 \cdot 9 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.239

Multiply $51030$ by $9$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{4} x^{4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.240

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{4 + 4} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.241

Add $4$ and $4$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{8} x^{4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.242

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{8 + 4} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.243

Add $8$ and $4$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{12} x^{4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.244

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{12 + 4} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.245

Add $12$ and $4$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{16} + 56 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.246

Multiply $56$ by $9$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{16} + 504 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.247

Multiply $504$ by $9$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{16} + 4536 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.248

Multiply $4536$ by $9$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{16} + 40824 \cdot 9 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.249

Multiply $40824$ by $9$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{16} + 367416 \cdot 9 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.250

Multiply $367416$ by $9$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{16} + 3306744 x^{4} x^{4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.251

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{16} + 3306744 x^{4 + 4} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.252

Add $4$ and $4$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{16} + 3306744 x^{8} x^{4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.253

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{16} + 3306744 x^{8 + 4} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.254

Add $8$ and $4$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{16} + 3306744 x^{12} + 28 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.255

Multiply $28$ by $9$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{16} + 3306744 x^{12} + 252 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.256

Multiply $252$ by $9$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{16} + 3306744 x^{12} + 2268 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.257

Multiply $2268$ by $9$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{16} + 3306744 x^{12} + 20412 \cdot 9 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.258

Multiply $20412$ by $9$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{16} + 3306744 x^{12} + 183708 \cdot 9 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.259

Multiply $183708$ by $9$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{16} + 3306744 x^{12} + 1653372 \cdot 9 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.260

Multiply $1653372$ by $9$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{16} + 3306744 x^{12} + 14880348 x^{4} x^{4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.261

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{16} + 3306744 x^{12} + 14880348 x^{4 + 4} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.262

Add $4$ and $4$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{16} + 3306744 x^{12} + 14880348 x^{8} + 8 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.263

Multiply $8$ by $9$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{16} + 3306744 x^{12} + 14880348 x^{8} + 72 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.264

Multiply $72$ by $9$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{16} + 3306744 x^{12} + 14880348 x^{8} + 648 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.265

Multiply $648$ by $9$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{16} + 3306744 x^{12} + 14880348 x^{8} + 5832 \cdot 9 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.266

Multiply $5832$ by $9$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{16} + 3306744 x^{12} + 14880348 x^{8} + 52488 \cdot 9 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.267

Multiply $52488$ by $9$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{16} + 3306744 x^{12} + 14880348 x^{8} + 472392 \cdot 9 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.268

Multiply $472392$ by $9$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{16} + 3306744 x^{12} + 14880348 x^{8} + 4251528 \cdot 9 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.269

Multiply $4251528$ by $9$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{16} + 3306744 x^{12} + 14880348 x^{8} + 38263752 x^{4} + 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.270

Multiply $9$ by $9$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{16} + 3306744 x^{12} + 14880348 x^{8} + 38263752 x^{4} + 81 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.271

Multiply $81$ by $9$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{16} + 3306744 x^{12} + 14880348 x^{8} + 38263752 x^{4} + 729 \cdot 9 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.272

Multiply $729$ by $9$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{16} + 3306744 x^{12} + 14880348 x^{8} + 38263752 x^{4} + 6561 \cdot 9 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.273

Multiply $6561$ by $9$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{16} + 3306744 x^{12} + 14880348 x^{8} + 38263752 x^{4} + 59049 \cdot 9 \cdot 9 \cdot 9 d x$

Step 1.274

Multiply $59049$ by $9$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{16} + 3306744 x^{12} + 14880348 x^{8} + 38263752 x^{4} + 531441 \cdot 9 \cdot 9 d x$

Step 1.275

Multiply $531441$ by $9$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{16} + 3306744 x^{12} + 14880348 x^{8} + 38263752 x^{4} + 4782969 \cdot 9 d x$

Step 1.276

Multiply $4782969$ by $9$ .

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{16} + 3306744 x^{12} + 14880348 x^{8} + 38263752 x^{4} + 43046721 d x$

$\int x^{32} + 72 x^{28} + 2268 x^{24} + 40824 x^{20} + 459270 x^{16} + 3306744 x^{12} + 14880348 x^{8} + 38263752 x^{4} + 43046721 d x$

Step 2

Split the single integral into multiple integrals.

$\int x^{32} d x + \int 72 x^{28} d x + \int 2268 x^{24} d x + \int 40824 x^{20} d x + \int 459270 x^{16} d x + \int 3306744 x^{12} d x + \int 14880348 x^{8} d x + \int 38263752 x^{4} d x + \int 43046721 d x$

Step 3

By the Power Rule, the integral of $x^{32}$ with respect to $x$ is $\frac{1}{33} x^{33}$ .

$\frac{1}{33} x^{33} + C + \int 72 x^{28} d x + \int 2268 x^{24} d x + \int 40824 x^{20} d x + \int 459270 x^{16} d x + \int 3306744 x^{12} d x + \int 14880348 x^{8} d x + \int 38263752 x^{4} d x + \int 43046721 d x$

Step 4

Since $72$ is constant with respect to $x$ , move $72$ out of the integral.

$\frac{1}{33} x^{33} + C + 72 \int x^{28} d x + \int 2268 x^{24} d x + \int 40824 x^{20} d x + \int 459270 x^{16} d x + \int 3306744 x^{12} d x + \int 14880348 x^{8} d x + \int 38263752 x^{4} d x + \int 43046721 d x$

Step 5

By the Power Rule, the integral of $x^{28}$ with respect to $x$ is $\frac{1}{29} x^{29}$ .

$\frac{1}{33} x^{33} + C + 72 (\frac{1}{29} x^{29} + C) + \int 2268 x^{24} d x + \int 40824 x^{20} d x + \int 459270 x^{16} d x + \int 3306744 x^{12} d x + \int 14880348 x^{8} d x + \int 38263752 x^{4} d x + \int 43046721 d x$

Step 6

Since $2268$ is constant with respect to $x$ , move $2268$ out of the integral.

$\frac{1}{33} x^{33} + C + 72 (\frac{1}{29} x^{29} + C) + 2268 \int x^{24} d x + \int 40824 x^{20} d x + \int 459270 x^{16} d x + \int 3306744 x^{12} d x + \int 14880348 x^{8} d x + \int 38263752 x^{4} d x + \int 43046721 d x$

Step 7

By the Power Rule, the integral of $x^{24}$ with respect to $x$ is $\frac{1}{25} x^{25}$ .

$\frac{1}{33} x^{33} + C + 72 (\frac{1}{29} x^{29} + C) + 2268 (\frac{1}{25} x^{25} + C) + \int 40824 x^{20} d x + \int 459270 x^{16} d x + \int 3306744 x^{12} d x + \int 14880348 x^{8} d x + \int 38263752 x^{4} d x + \int 43046721 d x$

Step 8

Since $40824$ is constant with respect to $x$ , move $40824$ out of the integral.

$\frac{1}{33} x^{33} + C + 72 (\frac{1}{29} x^{29} + C) + 2268 (\frac{1}{25} x^{25} + C) + 40824 \int x^{20} d x + \int 459270 x^{16} d x + \int 3306744 x^{12} d x + \int 14880348 x^{8} d x + \int 38263752 x^{4} d x + \int 43046721 d x$

Step 9

By the Power Rule, the integral of $x^{20}$ with respect to $x$ is $\frac{1}{21} x^{21}$ .

$\frac{1}{33} x^{33} + C + 72 (\frac{1}{29} x^{29} + C) + 2268 (\frac{1}{25} x^{25} + C) + 40824 (\frac{1}{21} x^{21} + C) + \int 459270 x^{16} d x + \int 3306744 x^{12} d x + \int 14880348 x^{8} d x + \int 38263752 x^{4} d x + \int 43046721 d x$

Step 10

Since $459270$ is constant with respect to $x$ , move $459270$ out of the integral.

$\frac{1}{33} x^{33} + C + 72 (\frac{1}{29} x^{29} + C) + 2268 (\frac{1}{25} x^{25} + C) + 40824 (\frac{1}{21} x^{21} + C) + 459270 \int x^{16} d x + \int 3306744 x^{12} d x + \int 14880348 x^{8} d x + \int 38263752 x^{4} d x + \int 43046721 d x$

Step 11

By the Power Rule, the integral of $x^{16}$ with respect to $x$ is $\frac{1}{17} x^{17}$ .

$\frac{1}{33} x^{33} + C + 72 (\frac{1}{29} x^{29} + C) + 2268 (\frac{1}{25} x^{25} + C) + 40824 (\frac{1}{21} x^{21} + C) + 459270 (\frac{1}{17} x^{17} + C) + \int 3306744 x^{12} d x + \int 14880348 x^{8} d x + \int 38263752 x^{4} d x + \int 43046721 d x$

Step 12

Since $3306744$ is constant with respect to $x$ , move $3306744$ out of the integral.

$\frac{1}{33} x^{33} + C + 72 (\frac{1}{29} x^{29} + C) + 2268 (\frac{1}{25} x^{25} + C) + 40824 (\frac{1}{21} x^{21} + C) + 459270 (\frac{1}{17} x^{17} + C) + 3306744 \int x^{12} d x + \int 14880348 x^{8} d x + \int 38263752 x^{4} d x + \int 43046721 d x$

Step 13

By the Power Rule, the integral of $x^{12}$ with respect to $x$ is $\frac{1}{13} x^{13}$ .

$\frac{1}{33} x^{33} + C + 72 (\frac{1}{29} x^{29} + C) + 2268 (\frac{1}{25} x^{25} + C) + 40824 (\frac{1}{21} x^{21} + C) + 459270 (\frac{1}{17} x^{17} + C) + 3306744 (\frac{1}{13} x^{13} + C) + \int 14880348 x^{8} d x + \int 38263752 x^{4} d x + \int 43046721 d x$

Step 14

Since $14880348$ is constant with respect to $x$ , move $14880348$ out of the integral.

$\frac{1}{33} x^{33} + C + 72 (\frac{1}{29} x^{29} + C) + 2268 (\frac{1}{25} x^{25} + C) + 40824 (\frac{1}{21} x^{21} + C) + 459270 (\frac{1}{17} x^{17} + C) + 3306744 (\frac{1}{13} x^{13} + C) + 14880348 \int x^{8} d x + \int 38263752 x^{4} d x + \int 43046721 d x$

Step 15

By the Power Rule, the integral of $x^{8}$ with respect to $x$ is $\frac{1}{9} x^{9}$ .

$\frac{1}{33} x^{33} + C + 72 (\frac{1}{29} x^{29} + C) + 2268 (\frac{1}{25} x^{25} + C) + 40824 (\frac{1}{21} x^{21} + C) + 459270 (\frac{1}{17} x^{17} + C) + 3306744 (\frac{1}{13} x^{13} + C) + 14880348 (\frac{1}{9} x^{9} + C) + \int 38263752 x^{4} d x + \int 43046721 d x$

Step 16

Since $38263752$ is constant with respect to $x$ , move $38263752$ out of the integral.

$\frac{1}{33} x^{33} + C + 72 (\frac{1}{29} x^{29} + C) + 2268 (\frac{1}{25} x^{25} + C) + 40824 (\frac{1}{21} x^{21} + C) + 459270 (\frac{1}{17} x^{17} + C) + 3306744 (\frac{1}{13} x^{13} + C) + 14880348 (\frac{1}{9} x^{9} + C) + 38263752 \int x^{4} d x + \int 43046721 d x$

Step 17

By the Power Rule, the integral of $x^{4}$ with respect to $x$ is $\frac{1}{5} x^{5}$ .

$\frac{1}{33} x^{33} + C + 72 (\frac{1}{29} x^{29} + C) + 2268 (\frac{1}{25} x^{25} + C) + 40824 (\frac{1}{21} x^{21} + C) + 459270 (\frac{1}{17} x^{17} + C) + 3306744 (\frac{1}{13} x^{13} + C) + 14880348 (\frac{1}{9} x^{9} + C) + 38263752 (\frac{1}{5} x^{5} + C) + \int 43046721 d x$

Step 18

Apply the constant rule.

$\frac{1}{33} x^{33} + C + 72 (\frac{1}{29} x^{29} + C) + 2268 (\frac{1}{25} x^{25} + C) + 40824 (\frac{1}{21} x^{21} + C) + 459270 (\frac{1}{17} x^{17} + C) + 3306744 (\frac{1}{13} x^{13} + C) + 14880348 (\frac{1}{9} x^{9} + C) + 38263752 (\frac{1}{5} x^{5} + C) + 43046721 x + C$

Step 19

Simplify.

Tap for more steps...

Step 19.1

Simplify.

Tap for more steps...

Step 19.1.1

Combine $\frac{1}{29}$ and $x^{29}$ .

$\frac{1}{33} x^{33} + C + 72 (\frac{x^{29}}{29} + C) + 2268 (\frac{1}{25} x^{25} + C) + 40824 (\frac{1}{21} x^{21} + C) + 459270 (\frac{1}{17} x^{17} + C) + 3306744 (\frac{1}{13} x^{13} + C) + 14880348 (\frac{1}{9} x^{9} + C) + 38263752 (\frac{1}{5} x^{5} + C) + 43046721 x + C$

Step 19.1.2

Combine $\frac{1}{25}$ and $x^{25}$ .

$\frac{1}{33} x^{33} + C + 72 (\frac{x^{29}}{29} + C) + 2268 (\frac{x^{25}}{25} + C) + 40824 (\frac{1}{21} x^{21} + C) + 459270 (\frac{1}{17} x^{17} + C) + 3306744 (\frac{1}{13} x^{13} + C) + 14880348 (\frac{1}{9} x^{9} + C) + 38263752 (\frac{1}{5} x^{5} + C) + 43046721 x + C$

Step 19.1.3

Combine $\frac{1}{21}$ and $x^{21}$ .

$\frac{1}{33} x^{33} + C + 72 (\frac{x^{29}}{29} + C) + 2268 (\frac{x^{25}}{25} + C) + 40824 (\frac{x^{21}}{21} + C) + 459270 (\frac{1}{17} x^{17} + C) + 3306744 (\frac{1}{13} x^{13} + C) + 14880348 (\frac{1}{9} x^{9} + C) + 38263752 (\frac{1}{5} x^{5} + C) + 43046721 x + C$

Step 19.1.4

Combine $\frac{1}{17}$ and $x^{17}$ .

$\frac{1}{33} x^{33} + C + 72 (\frac{x^{29}}{29} + C) + 2268 (\frac{x^{25}}{25} + C) + 40824 (\frac{x^{21}}{21} + C) + 459270 (\frac{x^{17}}{17} + C) + 3306744 (\frac{1}{13} x^{13} + C) + 14880348 (\frac{1}{9} x^{9} + C) + 38263752 (\frac{1}{5} x^{5} + C) + 43046721 x + C$

Step 19.1.5

Combine $\frac{1}{13}$ and $x^{13}$ .

$\frac{1}{33} x^{33} + C + 72 (\frac{x^{29}}{29} + C) + 2268 (\frac{x^{25}}{25} + C) + 40824 (\frac{x^{21}}{21} + C) + 459270 (\frac{x^{17}}{17} + C) + 3306744 (\frac{x^{13}}{13} + C) + 14880348 (\frac{1}{9} x^{9} + C) + 38263752 (\frac{1}{5} x^{5} + C) + 43046721 x + C$

Step 19.1.6

Combine $\frac{1}{9}$ and $x^{9}$ .

$\frac{1}{33} x^{33} + C + 72 (\frac{x^{29}}{29} + C) + 2268 (\frac{x^{25}}{25} + C) + 40824 (\frac{x^{21}}{21} + C) + 459270 (\frac{x^{17}}{17} + C) + 3306744 (\frac{x^{13}}{13} + C) + 14880348 (\frac{x^{9}}{9} + C) + 38263752 (\frac{1}{5} x^{5} + C) + 43046721 x + C$

Step 19.1.7

Combine $\frac{1}{5}$ and $x^{5}$ .

$\frac{1}{33} x^{33} + C + 72 (\frac{x^{29}}{29} + C) + 2268 (\frac{x^{25}}{25} + C) + 40824 (\frac{x^{21}}{21} + C) + 459270 (\frac{x^{17}}{17} + C) + 3306744 (\frac{x^{13}}{13} + C) + 14880348 (\frac{x^{9}}{9} + C) + 38263752 (\frac{x^{5}}{5} + C) + 43046721 x + C$

$\frac{1}{33} x^{33} + C + 72 (\frac{x^{29}}{29} + C) + 2268 (\frac{x^{25}}{25} + C) + 40824 (\frac{x^{21}}{21} + C) + 459270 (\frac{x^{17}}{17} + C) + 3306744 (\frac{x^{13}}{13} + C) + 14880348 (\frac{x^{9}}{9} + C) + 38263752 (\frac{x^{5}}{5} + C) + 43046721 x + C$

Step 19.2

Simplify.

$\frac{x^{33}}{33} + \frac{72 x^{29}}{29} + \frac{2268 x^{25}}{25} + 1944 x^{21} + \frac{459270 x^{17}}{17} + \frac{3306744 x^{13}}{13} + 1653372 x^{9} + \frac{38263752 x^{5}}{5} + 43046721 x + C$

Step 19.3

Reorder terms.

$\frac{1}{33} x^{33} + \frac{72}{29} x^{29} + \frac{2268}{25} x^{25} + 1944 x^{21} + \frac{459270}{17} x^{17} + \frac{3306744}{13} x^{13} + 1653372 x^{9} + \frac{38263752}{5} x^{5} + 43046721 x + C$

$\frac{1}{33} x^{33} + \frac{72}{29} x^{29} + \frac{2268}{25} x^{25} + 1944 x^{21} + \frac{459270}{17} x^{17} + \frac{3306744}{13} x^{13} + 1653372 x^{9} + \frac{38263752}{5} x^{5} + 43046721 x + C$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$