Calculus Examples

$\int x {(2 x + 5)}^{8} d x$

Step 1

This integral could not be completed using u-substitution. Mathway will use another method.

Step 2

Simplify.

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Step 2.1

Use the Binomial Theorem.

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

Step 2.2

Simplify each term.

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Step 2.2.1

Apply the product rule to $2 x$ .

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

Step 2.2.2

Raise $2$ to the power of $8$ .

$\int x (256 x^{8} + 8 {(2 x)}^{7} \cdot 5 + 28 {(2 x)}^{6} \cdot 5^{2} + 56 {(2 x)}^{5} \cdot 5^{3} + 70 {(2 x)}^{4} \cdot 5^{4} + 56 {(2 x)}^{3} \cdot 5^{5} + 28 {(2 x)}^{2} \cdot 5^{6} + 8 (2 x) \cdot 5^{7} + 5^{8}) d x$

Step 2.2.3

Apply the product rule to $2 x$ .

$\int x (256 x^{8} + 8 (2^{7} x^{7}) \cdot 5 + 28 {(2 x)}^{6} \cdot 5^{2} + 56 {(2 x)}^{5} \cdot 5^{3} + 70 {(2 x)}^{4} \cdot 5^{4} + 56 {(2 x)}^{3} \cdot 5^{5} + 28 {(2 x)}^{2} \cdot 5^{6} + 8 (2 x) \cdot 5^{7} + 5^{8}) d x$

Step 2.2.4

Raise $2$ to the power of $7$ .

$\int x (256 x^{8} + 8 (128 x^{7}) \cdot 5 + 28 {(2 x)}^{6} \cdot 5^{2} + 56 {(2 x)}^{5} \cdot 5^{3} + 70 {(2 x)}^{4} \cdot 5^{4} + 56 {(2 x)}^{3} \cdot 5^{5} + 28 {(2 x)}^{2} \cdot 5^{6} + 8 (2 x) \cdot 5^{7} + 5^{8}) d x$

Step 2.2.5

Multiply $128$ by $8$ .

$\int x (256 x^{8} + 1024 x^{7} \cdot 5 + 28 {(2 x)}^{6} \cdot 5^{2} + 56 {(2 x)}^{5} \cdot 5^{3} + 70 {(2 x)}^{4} \cdot 5^{4} + 56 {(2 x)}^{3} \cdot 5^{5} + 28 {(2 x)}^{2} \cdot 5^{6} + 8 (2 x) \cdot 5^{7} + 5^{8}) d x$

Step 2.2.6

Multiply $5$ by $1024$ .

$\int x (256 x^{8} + 5120 x^{7} + 28 {(2 x)}^{6} \cdot 5^{2} + 56 {(2 x)}^{5} \cdot 5^{3} + 70 {(2 x)}^{4} \cdot 5^{4} + 56 {(2 x)}^{3} \cdot 5^{5} + 28 {(2 x)}^{2} \cdot 5^{6} + 8 (2 x) \cdot 5^{7} + 5^{8}) d x$

Step 2.2.7

Apply the product rule to $2 x$ .

$\int x (256 x^{8} + 5120 x^{7} + 28 (2^{6} x^{6}) \cdot 5^{2} + 56 {(2 x)}^{5} \cdot 5^{3} + 70 {(2 x)}^{4} \cdot 5^{4} + 56 {(2 x)}^{3} \cdot 5^{5} + 28 {(2 x)}^{2} \cdot 5^{6} + 8 (2 x) \cdot 5^{7} + 5^{8}) d x$

Step 2.2.8

Raise $2$ to the power of $6$ .

$\int x (256 x^{8} + 5120 x^{7} + 28 (64 x^{6}) \cdot 5^{2} + 56 {(2 x)}^{5} \cdot 5^{3} + 70 {(2 x)}^{4} \cdot 5^{4} + 56 {(2 x)}^{3} \cdot 5^{5} + 28 {(2 x)}^{2} \cdot 5^{6} + 8 (2 x) \cdot 5^{7} + 5^{8}) d x$

Step 2.2.9

Multiply $64$ by $28$ .

$\int x (256 x^{8} + 5120 x^{7} + 1792 x^{6} \cdot 5^{2} + 56 {(2 x)}^{5} \cdot 5^{3} + 70 {(2 x)}^{4} \cdot 5^{4} + 56 {(2 x)}^{3} \cdot 5^{5} + 28 {(2 x)}^{2} \cdot 5^{6} + 8 (2 x) \cdot 5^{7} + 5^{8}) d x$

Step 2.2.10

Raise $5$ to the power of $2$ .

$\int x (256 x^{8} + 5120 x^{7} + 1792 x^{6} \cdot 25 + 56 {(2 x)}^{5} \cdot 5^{3} + 70 {(2 x)}^{4} \cdot 5^{4} + 56 {(2 x)}^{3} \cdot 5^{5} + 28 {(2 x)}^{2} \cdot 5^{6} + 8 (2 x) \cdot 5^{7} + 5^{8}) d x$

Step 2.2.11

Multiply $25$ by $1792$ .

$\int x (256 x^{8} + 5120 x^{7} + 44800 x^{6} + 56 {(2 x)}^{5} \cdot 5^{3} + 70 {(2 x)}^{4} \cdot 5^{4} + 56 {(2 x)}^{3} \cdot 5^{5} + 28 {(2 x)}^{2} \cdot 5^{6} + 8 (2 x) \cdot 5^{7} + 5^{8}) d x$

Step 2.2.12

Apply the product rule to $2 x$ .

$\int x (256 x^{8} + 5120 x^{7} + 44800 x^{6} + 56 (2^{5} x^{5}) \cdot 5^{3} + 70 {(2 x)}^{4} \cdot 5^{4} + 56 {(2 x)}^{3} \cdot 5^{5} + 28 {(2 x)}^{2} \cdot 5^{6} + 8 (2 x) \cdot 5^{7} + 5^{8}) d x$

Step 2.2.13

Raise $2$ to the power of $5$ .

$\int x (256 x^{8} + 5120 x^{7} + 44800 x^{6} + 56 (32 x^{5}) \cdot 5^{3} + 70 {(2 x)}^{4} \cdot 5^{4} + 56 {(2 x)}^{3} \cdot 5^{5} + 28 {(2 x)}^{2} \cdot 5^{6} + 8 (2 x) \cdot 5^{7} + 5^{8}) d x$

Step 2.2.14

Multiply $32$ by $56$ .

$\int x (256 x^{8} + 5120 x^{7} + 44800 x^{6} + 1792 x^{5} \cdot 5^{3} + 70 {(2 x)}^{4} \cdot 5^{4} + 56 {(2 x)}^{3} \cdot 5^{5} + 28 {(2 x)}^{2} \cdot 5^{6} + 8 (2 x) \cdot 5^{7} + 5^{8}) d x$

Step 2.2.15

Raise $5$ to the power of $3$ .

$\int x (256 x^{8} + 5120 x^{7} + 44800 x^{6} + 1792 x^{5} \cdot 125 + 70 {(2 x)}^{4} \cdot 5^{4} + 56 {(2 x)}^{3} \cdot 5^{5} + 28 {(2 x)}^{2} \cdot 5^{6} + 8 (2 x) \cdot 5^{7} + 5^{8}) d x$

Step 2.2.16

Multiply $125$ by $1792$ .

$\int x (256 x^{8} + 5120 x^{7} + 44800 x^{6} + 224000 x^{5} + 70 {(2 x)}^{4} \cdot 5^{4} + 56 {(2 x)}^{3} \cdot 5^{5} + 28 {(2 x)}^{2} \cdot 5^{6} + 8 (2 x) \cdot 5^{7} + 5^{8}) d x$

Step 2.2.17

Apply the product rule to $2 x$ .

$\int x (256 x^{8} + 5120 x^{7} + 44800 x^{6} + 224000 x^{5} + 70 (2^{4} x^{4}) \cdot 5^{4} + 56 {(2 x)}^{3} \cdot 5^{5} + 28 {(2 x)}^{2} \cdot 5^{6} + 8 (2 x) \cdot 5^{7} + 5^{8}) d x$

Step 2.2.18

Raise $2$ to the power of $4$ .

$\int x (256 x^{8} + 5120 x^{7} + 44800 x^{6} + 224000 x^{5} + 70 (16 x^{4}) \cdot 5^{4} + 56 {(2 x)}^{3} \cdot 5^{5} + 28 {(2 x)}^{2} \cdot 5^{6} + 8 (2 x) \cdot 5^{7} + 5^{8}) d x$

Step 2.2.19

Multiply $16$ by $70$ .

$\int x (256 x^{8} + 5120 x^{7} + 44800 x^{6} + 224000 x^{5} + 1120 x^{4} \cdot 5^{4} + 56 {(2 x)}^{3} \cdot 5^{5} + 28 {(2 x)}^{2} \cdot 5^{6} + 8 (2 x) \cdot 5^{7} + 5^{8}) d x$

Step 2.2.20

Raise $5$ to the power of $4$ .

$\int x (256 x^{8} + 5120 x^{7} + 44800 x^{6} + 224000 x^{5} + 1120 x^{4} \cdot 625 + 56 {(2 x)}^{3} \cdot 5^{5} + 28 {(2 x)}^{2} \cdot 5^{6} + 8 (2 x) \cdot 5^{7} + 5^{8}) d x$

Step 2.2.21

Multiply $625$ by $1120$ .

$\int x (256 x^{8} + 5120 x^{7} + 44800 x^{6} + 224000 x^{5} + 700000 x^{4} + 56 {(2 x)}^{3} \cdot 5^{5} + 28 {(2 x)}^{2} \cdot 5^{6} + 8 (2 x) \cdot 5^{7} + 5^{8}) d x$

Step 2.2.22

Apply the product rule to $2 x$ .

$\int x (256 x^{8} + 5120 x^{7} + 44800 x^{6} + 224000 x^{5} + 700000 x^{4} + 56 (2^{3} x^{3}) \cdot 5^{5} + 28 {(2 x)}^{2} \cdot 5^{6} + 8 (2 x) \cdot 5^{7} + 5^{8}) d x$

Step 2.2.23

Raise $2$ to the power of $3$ .

$\int x (256 x^{8} + 5120 x^{7} + 44800 x^{6} + 224000 x^{5} + 700000 x^{4} + 56 (8 x^{3}) \cdot 5^{5} + 28 {(2 x)}^{2} \cdot 5^{6} + 8 (2 x) \cdot 5^{7} + 5^{8}) d x$

Step 2.2.24

Multiply $8$ by $56$ .

$\int x (256 x^{8} + 5120 x^{7} + 44800 x^{6} + 224000 x^{5} + 700000 x^{4} + 448 x^{3} \cdot 5^{5} + 28 {(2 x)}^{2} \cdot 5^{6} + 8 (2 x) \cdot 5^{7} + 5^{8}) d x$

Step 2.2.25

Raise $5$ to the power of $5$ .

$\int x (256 x^{8} + 5120 x^{7} + 44800 x^{6} + 224000 x^{5} + 700000 x^{4} + 448 x^{3} \cdot 3125 + 28 {(2 x)}^{2} \cdot 5^{6} + 8 (2 x) \cdot 5^{7} + 5^{8}) d x$

Step 2.2.26

Multiply $3125$ by $448$ .

$\int x (256 x^{8} + 5120 x^{7} + 44800 x^{6} + 224000 x^{5} + 700000 x^{4} + 1400000 x^{3} + 28 {(2 x)}^{2} \cdot 5^{6} + 8 (2 x) \cdot 5^{7} + 5^{8}) d x$

Step 2.2.27

Apply the product rule to $2 x$ .

$\int x (256 x^{8} + 5120 x^{7} + 44800 x^{6} + 224000 x^{5} + 700000 x^{4} + 1400000 x^{3} + 28 (2^{2} x^{2}) \cdot 5^{6} + 8 (2 x) \cdot 5^{7} + 5^{8}) d x$

Step 2.2.28

Raise $2$ to the power of $2$ .

$\int x (256 x^{8} + 5120 x^{7} + 44800 x^{6} + 224000 x^{5} + 700000 x^{4} + 1400000 x^{3} + 28 (4 x^{2}) \cdot 5^{6} + 8 (2 x) \cdot 5^{7} + 5^{8}) d x$

Step 2.2.29

Multiply $4$ by $28$ .

$\int x (256 x^{8} + 5120 x^{7} + 44800 x^{6} + 224000 x^{5} + 700000 x^{4} + 1400000 x^{3} + 112 x^{2} \cdot 5^{6} + 8 (2 x) \cdot 5^{7} + 5^{8}) d x$

Step 2.2.30

Raise $5$ to the power of $6$ .

$\int x (256 x^{8} + 5120 x^{7} + 44800 x^{6} + 224000 x^{5} + 700000 x^{4} + 1400000 x^{3} + 112 x^{2} \cdot 15625 + 8 (2 x) \cdot 5^{7} + 5^{8}) d x$

Step 2.2.31

Multiply $15625$ by $112$ .

$\int x (256 x^{8} + 5120 x^{7} + 44800 x^{6} + 224000 x^{5} + 700000 x^{4} + 1400000 x^{3} + 1750000 x^{2} + 8 (2 x) \cdot 5^{7} + 5^{8}) d x$

Step 2.2.32

Multiply $2$ by $8$ .

$\int x (256 x^{8} + 5120 x^{7} + 44800 x^{6} + 224000 x^{5} + 700000 x^{4} + 1400000 x^{3} + 1750000 x^{2} + 16 x \cdot 5^{7} + 5^{8}) d x$

Step 2.2.33

Raise $5$ to the power of $7$ .

$\int x (256 x^{8} + 5120 x^{7} + 44800 x^{6} + 224000 x^{5} + 700000 x^{4} + 1400000 x^{3} + 1750000 x^{2} + 16 x \cdot 78125 + 5^{8}) d x$

Step 2.2.34

Multiply $78125$ by $16$ .

$\int x (256 x^{8} + 5120 x^{7} + 44800 x^{6} + 224000 x^{5} + 700000 x^{4} + 1400000 x^{3} + 1750000 x^{2} + 1250000 x + 5^{8}) d x$

Step 2.2.35

Raise $5$ to the power of $8$ .

$\int x (256 x^{8} + 5120 x^{7} + 44800 x^{6} + 224000 x^{5} + 700000 x^{4} + 1400000 x^{3} + 1750000 x^{2} + 1250000 x + 390625) d x$

Step 2.3

Apply the distributive property.

$\int x (256 x^{8}) + x (5120 x^{7}) + x (44800 x^{6}) + x (224000 x^{5}) + x (700000 x^{4}) + x (1400000 x^{3}) + x (1750000 x^{2}) + x (1250000 x) + x \cdot 390625 d x$

Step 2.4

Simplify.

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Step 2.4.1