Algebra Examples

$\sqrt[3]{{(4 x - 7)}^{24}}$

Step 1

Rewrite ${(4 x - 7)}^{24}$ as ${({(4 x - 7)}^{8})}^{3}$ .

$\sqrt[3]{{({(4 x - 7)}^{8})}^{3}}$

Step 2

Pull terms out from under the radical, assuming real numbers.

${(4 x - 7)}^{8}$

Step 3

Use the Binomial Theorem.

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

Step 4

Simplify each term.

Tap for more steps...

Step 4.1

Apply the product rule to $4 x$ .

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

Step 4.2

Raise $4$ to the power of $8$ .

$65536 x^{8} + 8 {(4 x)}^{7} \cdot - 7 + 28 {(4 x)}^{6} {(- 7)}^{2} + 56 {(4 x)}^{5} {(- 7)}^{3} + 70 {(4 x)}^{4} {(- 7)}^{4} + 56 {(4 x)}^{3} {(- 7)}^{5} + 28 {(4 x)}^{2} {(- 7)}^{6} + 8 (4 x) {(- 7)}^{7} + {(- 7)}^{8}$

Step 4.3

Apply the product rule to $4 x$ .

$65536 x^{8} + 8 (4^{7} x^{7}) \cdot - 7 + 28 {(4 x)}^{6} {(- 7)}^{2} + 56 {(4 x)}^{5} {(- 7)}^{3} + 70 {(4 x)}^{4} {(- 7)}^{4} + 56 {(4 x)}^{3} {(- 7)}^{5} + 28 {(4 x)}^{2} {(- 7)}^{6} + 8 (4 x) {(- 7)}^{7} + {(- 7)}^{8}$

Step 4.4

Raise $4$ to the power of $7$ .

$65536 x^{8} + 8 (16384 x^{7}) \cdot - 7 + 28 {(4 x)}^{6} {(- 7)}^{2} + 56 {(4 x)}^{5} {(- 7)}^{3} + 70 {(4 x)}^{4} {(- 7)}^{4} + 56 {(4 x)}^{3} {(- 7)}^{5} + 28 {(4 x)}^{2} {(- 7)}^{6} + 8 (4 x) {(- 7)}^{7} + {(- 7)}^{8}$

Step 4.5

Multiply $16384$ by $8$ .

$65536 x^{8} + 131072 x^{7} \cdot - 7 + 28 {(4 x)}^{6} {(- 7)}^{2} + 56 {(4 x)}^{5} {(- 7)}^{3} + 70 {(4 x)}^{4} {(- 7)}^{4} + 56 {(4 x)}^{3} {(- 7)}^{5} + 28 {(4 x)}^{2} {(- 7)}^{6} + 8 (4 x) {(- 7)}^{7} + {(- 7)}^{8}$

Step 4.6

Multiply $- 7$ by $131072$ .

$65536 x^{8} - 917504 x^{7} + 28 {(4 x)}^{6} {(- 7)}^{2} + 56 {(4 x)}^{5} {(- 7)}^{3} + 70 {(4 x)}^{4} {(- 7)}^{4} + 56 {(4 x)}^{3} {(- 7)}^{5} + 28 {(4 x)}^{2} {(- 7)}^{6} + 8 (4 x) {(- 7)}^{7} + {(- 7)}^{8}$

Step 4.7

Apply the product rule to $4 x$ .

$65536 x^{8} - 917504 x^{7} + 28 (4^{6} x^{6}) {(- 7)}^{2} + 56 {(4 x)}^{5} {(- 7)}^{3} + 70 {(4 x)}^{4} {(- 7)}^{4} + 56 {(4 x)}^{3} {(- 7)}^{5} + 28 {(4 x)}^{2} {(- 7)}^{6} + 8 (4 x) {(- 7)}^{7} + {(- 7)}^{8}$

Step 4.8

Raise $4$ to the power of $6$ .

$65536 x^{8} - 917504 x^{7} + 28 (4096 x^{6}) {(- 7)}^{2} + 56 {(4 x)}^{5} {(- 7)}^{3} + 70 {(4 x)}^{4} {(- 7)}^{4} + 56 {(4 x)}^{3} {(- 7)}^{5} + 28 {(4 x)}^{2} {(- 7)}^{6} + 8 (4 x) {(- 7)}^{7} + {(- 7)}^{8}$

Step 4.9

Multiply $4096$ by $28$ .

$65536 x^{8} - 917504 x^{7} + 114688 x^{6} {(- 7)}^{2} + 56 {(4 x)}^{5} {(- 7)}^{3} + 70 {(4 x)}^{4} {(- 7)}^{4} + 56 {(4 x)}^{3} {(- 7)}^{5} + 28 {(4 x)}^{2} {(- 7)}^{6} + 8 (4 x) {(- 7)}^{7} + {(- 7)}^{8}$

Step 4.10

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

$65536 x^{8} - 917504 x^{7} + 114688 x^{6} \cdot 49 + 56 {(4 x)}^{5} {(- 7)}^{3} + 70 {(4 x)}^{4} {(- 7)}^{4} + 56 {(4 x)}^{3} {(- 7)}^{5} + 28 {(4 x)}^{2} {(- 7)}^{6} + 8 (4 x) {(- 7)}^{7} + {(- 7)}^{8}$

Step 4.11

Multiply $49$ by $114688$ .

$65536 x^{8} - 917504 x^{7} + 5619712 x^{6} + 56 {(4 x)}^{5} {(- 7)}^{3} + 70 {(4 x)}^{4} {(- 7)}^{4} + 56 {(4 x)}^{3} {(- 7)}^{5} + 28 {(4 x)}^{2} {(- 7)}^{6} + 8 (4 x) {(- 7)}^{7} + {(- 7)}^{8}$

Step 4.12

Apply the product rule to $4 x$ .

$65536 x^{8} - 917504 x^{7} + 5619712 x^{6} + 56 (4^{5} x^{5}) {(- 7)}^{3} + 70 {(4 x)}^{4} {(- 7)}^{4} + 56 {(4 x)}^{3} {(- 7)}^{5} + 28 {(4 x)}^{2} {(- 7)}^{6} + 8 (4 x) {(- 7)}^{7} + {(- 7)}^{8}$

Step 4.13

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

$65536 x^{8} - 917504 x^{7} + 5619712 x^{6} + 56 (1024 x^{5}) {(- 7)}^{3} + 70 {(4 x)}^{4} {(- 7)}^{4} + 56 {(4 x)}^{3} {(- 7)}^{5} + 28 {(4 x)}^{2} {(- 7)}^{6} + 8 (4 x) {(- 7)}^{7} + {(- 7)}^{8}$

Step 4.14

Multiply $1024$ by $56$ .

$65536 x^{8} - 917504 x^{7} + 5619712 x^{6} + 57344 x^{5} {(- 7)}^{3} + 70 {(4 x)}^{4} {(- 7)}^{4} + 56 {(4 x)}^{3} {(- 7)}^{5} + 28 {(4 x)}^{2} {(- 7)}^{6} + 8 (4 x) {(- 7)}^{7} + {(- 7)}^{8}$

Step 4.15

Raise $- 7$ to the power of $3$ .

$65536 x^{8} - 917504 x^{7} + 5619712 x^{6} + 57344 x^{5} \cdot - 343 + 70 {(4 x)}^{4} {(- 7)}^{4} + 56 {(4 x)}^{3} {(- 7)}^{5} + 28 {(4 x)}^{2} {(- 7)}^{6} + 8 (4 x) {(- 7)}^{7} + {(- 7)}^{8}$

Step 4.16

Multiply $- 343$ by $57344$ .

$65536 x^{8} - 917504 x^{7} + 5619712 x^{6} - 19668992 x^{5} + 70 {(4 x)}^{4} {(- 7)}^{4} + 56 {(4 x)}^{3} {(- 7)}^{5} + 28 {(4 x)}^{2} {(- 7)}^{6} + 8 (4 x) {(- 7)}^{7} + {(- 7)}^{8}$

Step 4.17

Apply the product rule to $4 x$ .

$65536 x^{8} - 917504 x^{7} + 5619712 x^{6} - 19668992 x^{5} + 70 (4^{4} x^{4}) {(- 7)}^{4} + 56 {(4 x)}^{3} {(- 7)}^{5} + 28 {(4 x)}^{2} {(- 7)}^{6} + 8 (4 x) {(- 7)}^{7} + {(- 7)}^{8}$

Step 4.18

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

$65536 x^{8} - 917504 x^{7} + 5619712 x^{6} - 19668992 x^{5} + 70 (256 x^{4}) {(- 7)}^{4} + 56 {(4 x)}^{3} {(- 7)}^{5} + 28 {(4 x)}^{2} {(- 7)}^{6} + 8 (4 x) {(- 7)}^{7} + {(- 7)}^{8}$

Step 4.19

Multiply $256$ by $70$ .

$65536 x^{8} - 917504 x^{7} + 5619712 x^{6} - 19668992 x^{5} + 17920 x^{4} {(- 7)}^{4} + 56 {(4 x)}^{3} {(- 7)}^{5} + 28 {(4 x)}^{2} {(- 7)}^{6} + 8 (4 x) {(- 7)}^{7} + {(- 7)}^{8}$

Step 4.20

Raise $- 7$ to the power of $4$ .

$65536 x^{8} - 917504 x^{7} + 5619712 x^{6} - 19668992 x^{5} + 17920 x^{4} \cdot 2401 + 56 {(4 x)}^{3} {(- 7)}^{5} + 28 {(4 x)}^{2} {(- 7)}^{6} + 8 (4 x) {(- 7)}^{7} + {(- 7)}^{8}$

Step 4.21

Multiply $2401$ by $17920$ .

$65536 x^{8} - 917504 x^{7} + 5619712 x^{6} - 19668992 x^{5} + 43025920 x^{4} + 56 {(4 x)}^{3} {(- 7)}^{5} + 28 {(4 x)}^{2} {(- 7)}^{6} + 8 (4 x) {(- 7)}^{7} + {(- 7)}^{8}$

Step 4.22

Apply the product rule to $4 x$ .

$65536 x^{8} - 917504 x^{7} + 5619712 x^{6} - 19668992 x^{5} + 43025920 x^{4} + 56 (4^{3} x^{3}) {(- 7)}^{5} + 28 {(4 x)}^{2} {(- 7)}^{6} + 8 (4 x) {(- 7)}^{7} + {(- 7)}^{8}$

Step 4.23

Raise $4$ to the power of $3$ .

$65536 x^{8} - 917504 x^{7} + 5619712 x^{6} - 19668992 x^{5} + 43025920 x^{4} + 56 (64 x^{3}) {(- 7)}^{5} + 28 {(4 x)}^{2} {(- 7)}^{6} + 8 (4 x) {(- 7)}^{7} + {(- 7)}^{8}$

Step 4.24

Multiply $64$ by $56$ .

$65536 x^{8} - 917504 x^{7} + 5619712 x^{6} - 19668992 x^{5} + 43025920 x^{4} + 3584 x^{3} {(- 7)}^{5} + 28 {(4 x)}^{2} {(- 7)}^{6} + 8 (4 x) {(- 7)}^{7} + {(- 7)}^{8}$

Step 4.25

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

$65536 x^{8} - 917504 x^{7} + 5619712 x^{6} - 19668992 x^{5} + 43025920 x^{4} + 3584 x^{3} \cdot - 16807 + 28 {(4 x)}^{2} {(- 7)}^{6} + 8 (4 x) {(- 7)}^{7} + {(- 7)}^{8}$

Step 4.26

Multiply $- 16807$ by $3584$ .

$65536 x^{8} - 917504 x^{7} + 5619712 x^{6} - 19668992 x^{5} + 43025920 x^{4} - 60236288 x^{3} + 28 {(4 x)}^{2} {(- 7)}^{6} + 8 (4 x) {(- 7)}^{7} + {(- 7)}^{8}$

Step 4.27

Apply the product rule to $4 x$ .

$65536 x^{8} - 917504 x^{7} + 5619712 x^{6} - 19668992 x^{5} + 43025920 x^{4} - 60236288 x^{3} + 28 (4^{2} x^{2}) {(- 7)}^{6} + 8 (4 x) {(- 7)}^{7} + {(- 7)}^{8}$

Step 4.28

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

$65536 x^{8} - 917504 x^{7} + 5619712 x^{6} - 19668992 x^{5} + 43025920 x^{4} - 60236288 x^{3} + 28 (16 x^{2}) {(- 7)}^{6} + 8 (4 x) {(- 7)}^{7} + {(- 7)}^{8}$

Step 4.29

Multiply $16$ by $28$ .

$65536 x^{8} - 917504 x^{7} + 5619712 x^{6} - 19668992 x^{5} + 43025920 x^{4} - 60236288 x^{3} + 448 x^{2} {(- 7)}^{6} + 8 (4 x) {(- 7)}^{7} + {(- 7)}^{8}$

Step 4.30

Raise $- 7$ to the power of $6$ .

$65536 x^{8} - 917504 x^{7} + 5619712 x^{6} - 19668992 x^{5} + 43025920 x^{4} - 60236288 x^{3} + 448 x^{2} \cdot 117649 + 8 (4 x) {(- 7)}^{7} + {(- 7)}^{8}$

Step 4.31

Multiply $117649$ by $448$ .

$65536 x^{8} - 917504 x^{7} + 5619712 x^{6} - 19668992 x^{5} + 43025920 x^{4} - 60236288 x^{3} + 52706752 x^{2} + 8 (4 x) {(- 7)}^{7} + {(- 7)}^{8}$

Step 4.32

Multiply $4$ by $8$ .

$65536 x^{8} - 917504 x^{7} + 5619712 x^{6} - 19668992 x^{5} + 43025920 x^{4} - 60236288 x^{3} + 52706752 x^{2} + 32 x {(- 7)}^{7} + {(- 7)}^{8}$

Step 4.33

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

$65536 x^{8} - 917504 x^{7} + 5619712 x^{6} - 19668992 x^{5} + 43025920 x^{4} - 60236288 x^{3} + 52706752 x^{2} + 32 x \cdot - 823543 + {(- 7)}^{8}$

Step 4.34

Multiply $- 823543$ by $32$ .

$65536 x^{8} - 917504 x^{7} + 5619712 x^{6} - 19668992 x^{5} + 43025920 x^{4} - 60236288 x^{3} + 52706752 x^{2} - 26353376 x + {(- 7)}^{8}$

Step 4.35

Raise $- 7$ to the power of $8$ .

$65536 x^{8} - 917504 x^{7} + 5619712 x^{6} - 19668992 x^{5} + 43025920 x^{4} - 60236288 x^{3} + 52706752 x^{2} - 26353376 x + 5764801$