Algebra Examples

${(2 p - 3 q^{2})}^{3}$

Step 1

Use the Binomial Theorem.

${(2 p)}^{3} + 3 {(2 p)}^{2} (- 3 q^{2}) + 3 (2 p) {(- 3 q^{2})}^{2} + {(- 3 q^{2})}^{3}$

Step 2

Simplify each term.

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Step 2.1

Apply the product rule to $2 p$ .

$2^{3} p^{3} + 3 {(2 p)}^{2} (- 3 q^{2}) + 3 (2 p) {(- 3 q^{2})}^{2} + {(- 3 q^{2})}^{3}$

Step 2.2

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

$8 p^{3} + 3 {(2 p)}^{2} (- 3 q^{2}) + 3 (2 p) {(- 3 q^{2})}^{2} + {(- 3 q^{2})}^{3}$

Step 2.3

Rewrite using the commutative property of multiplication.

$8 p^{3} + 3 \cdot - 3 {(2 p)}^{2} q^{2} + 3 (2 p) {(- 3 q^{2})}^{2} + {(- 3 q^{2})}^{3}$

Step 2.4

Multiply $3$ by $- 3$ .

$8 p^{3} - 9 {(2 p)}^{2} q^{2} + 3 (2 p) {(- 3 q^{2})}^{2} + {(- 3 q^{2})}^{3}$

Step 2.5

Apply the product rule to $2 p$ .

$8 p^{3} - 9 (2^{2} p^{2}) q^{2} + 3 (2 p) {(- 3 q^{2})}^{2} + {(- 3 q^{2})}^{3}$

Step 2.6

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

$8 p^{3} - 9 (4 p^{2}) q^{2} + 3 (2 p) {(- 3 q^{2})}^{2} + {(- 3 q^{2})}^{3}$

Step 2.7

Multiply $4$ by $- 9$ .

$8 p^{3} - 36 p^{2} q^{2} + 3 (2 p) {(- 3 q^{2})}^{2} + {(- 3 q^{2})}^{3}$

Step 2.8

Multiply $2$ by $3$ .

$8 p^{3} - 36 p^{2} q^{2} + 6 p {(- 3 q^{2})}^{2} + {(- 3 q^{2})}^{3}$

Step 2.9

Apply the product rule to $- 3 q^{2}$ .

$8 p^{3} - 36 p^{2} q^{2} + 6 p ({(- 3)}^{2} {(q^{2})}^{2}) + {(- 3 q^{2})}^{3}$

Step 2.10

Rewrite using the commutative property of multiplication.

$8 p^{3} - 36 p^{2} q^{2} + 6 \cdot {(- 3)}^{2} p {(q^{2})}^{2} + {(- 3 q^{2})}^{3}$

Step 2.11

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

$8 p^{3} - 36 p^{2} q^{2} + 6 \cdot 9 p {(q^{2})}^{2} + {(- 3 q^{2})}^{3}$

Step 2.12

Multiply $6$ by $9$ .

$8 p^{3} - 36 p^{2} q^{2} + 54 p {(q^{2})}^{2} + {(- 3 q^{2})}^{3}$

Step 2.13

Multiply the exponents in ${(q^{2})}^{2}$ .

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Step 2.13.1

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$8 p^{3} - 36 p^{2} q^{2} + 54 p q^{2 \cdot 2} + {(- 3 q^{2})}^{3}$

Step 2.13.2

Multiply $2$ by $2$ .

$8 p^{3} - 36 p^{2} q^{2} + 54 p q^{4} + {(- 3 q^{2})}^{3}$

Step 2.14

Apply the product rule to $- 3 q^{2}$ .

$8 p^{3} - 36 p^{2} q^{2} + 54 p q^{4} + {(- 3)}^{3} {(q^{2})}^{3}$

Step 2.15

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

$8 p^{3} - 36 p^{2} q^{2} + 54 p q^{4} - 27 {(q^{2})}^{3}$

Step 2.16

Multiply the exponents in ${(q^{2})}^{3}$ .

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Step 2.16.1

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$8 p^{3} - 36 p^{2} q^{2} + 54 p q^{4} - 27 q^{2 \cdot 3}$

Step 2.16.2

Multiply $2$ by $3$ .

$8 p^{3} - 36 p^{2} q^{2} + 54 p q^{4} - 27 q^{6}$