Algebra Examples

$9 a^{3} b^{6} (3 a^{3} b^{2} + 7 a^{2} b^{2}) - {(5 a^{4} b^{4})}^{2}$

Step 1

Apply the distributive property.

$9 a^{3} b^{6} (3 a^{3} b^{2}) + 9 a^{3} b^{6} (7 a^{2} b^{2}) - {(5 a^{4} b^{4})}^{2}$

Step 2

Multiply $a^{3}$ by $a^{3}$ by adding the exponents.

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Step 2.1

Move $a^{3}$ .

$9 (a^{3} a^{3}) b^{6} (3 b^{2}) + 9 a^{3} b^{6} (7 a^{2} b^{2}) - {(5 a^{4} b^{4})}^{2}$

Step 2.2

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

$9 a^{3 + 3} b^{6} (3 b^{2}) + 9 a^{3} b^{6} (7 a^{2} b^{2}) - {(5 a^{4} b^{4})}^{2}$

Step 2.3

Add $3$ and $3$ .

$9 a^{6} b^{6} (3 b^{2}) + 9 a^{3} b^{6} (7 a^{2} b^{2}) - {(5 a^{4} b^{4})}^{2}$

Step 3

Multiply $a^{3}$ by $a^{2}$ by adding the exponents.

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Step 3.1

Move $a^{2}$ .

$9 a^{6} b^{6} (3 b^{2}) + 9 (a^{2} a^{3}) b^{6} (7 b^{2}) - {(5 a^{4} b^{4})}^{2}$

Step 3.2

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

$9 a^{6} b^{6} (3 b^{2}) + 9 a^{2 + 3} b^{6} (7 b^{2}) - {(5 a^{4} b^{4})}^{2}$

Step 3.3

Add $2$ and $3$ .

$9 a^{6} b^{6} (3 b^{2}) + 9 a^{5} b^{6} (7 b^{2}) - {(5 a^{4} b^{4})}^{2}$

Step 4

Simplify each term.

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Step 4.1

Multiply $b^{6}$ by $b^{2}$ by adding the exponents.

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Step 4.1.1

Move $b^{2}$ .

$9 a^{6} (b^{2} b^{6}) \cdot 3 + 9 a^{5} b^{6} (7 b^{2}) - {(5 a^{4} b^{4})}^{2}$

Step 4.1.2

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

$9 a^{6} b^{2 + 6} \cdot 3 + 9 a^{5} b^{6} (7 b^{2}) - {(5 a^{4} b^{4})}^{2}$

Step 4.1.3

Add $2$ and $6$ .

$9 a^{6} b^{8} \cdot 3 + 9 a^{5} b^{6} (7 b^{2}) - {(5 a^{4} b^{4})}^{2}$

Step 4.2

Multiply $3$ by $9$ .

$27 a^{6} b^{8} + 9 a^{5} b^{6} (7 b^{2}) - {(5 a^{4} b^{4})}^{2}$

Step 4.3

Multiply $b^{6}$ by $b^{2}$ by adding the exponents.

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Step 4.3.1

Move $b^{2}$ .

$27 a^{6} b^{8} + 9 a^{5} (b^{2} b^{6}) \cdot 7 - {(5 a^{4} b^{4})}^{2}$

Step 4.3.2

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

$27 a^{6} b^{8} + 9 a^{5} b^{2 + 6} \cdot 7 - {(5 a^{4} b^{4})}^{2}$

Step 4.3.3

Add $2$ and $6$ .

$27 a^{6} b^{8} + 9 a^{5} b^{8} \cdot 7 - {(5 a^{4} b^{4})}^{2}$

Step 4.4

Multiply $7$ by $9$ .

$27 a^{6} b^{8} + 63 a^{5} b^{8} - {(5 a^{4} b^{4})}^{2}$

Step 5

Use the power rule ${(a b)}^{n} = a^{n} b^{n}$ to distribute the exponent.

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Step 5.1

Apply the product rule to $5 a^{4} b^{4}$ .

$27 a^{6} b^{8} + 63 a^{5} b^{8} - ({(5 a^{4})}^{2} {(b^{4})}^{2})$

Step 5.2

Apply the product rule to $5 a^{4}$ .

$27 a^{6} b^{8} + 63 a^{5} b^{8} - (5^{2} {(a^{4})}^{2} {(b^{4})}^{2})$

Step 6

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

$27 a^{6} b^{8} + 63 a^{5} b^{8} - (25 {(a^{4})}^{2} {(b^{4})}^{2})$

Step 7

Multiply the exponents in ${(a^{4})}^{2}$ .

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Step 7.1

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

$27 a^{6} b^{8} + 63 a^{5} b^{8} - (25 a^{4 \cdot 2} {(b^{4})}^{2})$

Step 7.2

Multiply $4$ by $2$ .

$27 a^{6} b^{8} + 63 a^{5} b^{8} - (25 a^{8} {(b^{4})}^{2})$

Step 8

Multiply the exponents in ${(b^{4})}^{2}$ .

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Step 8.1

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

$27 a^{6} b^{8} + 63 a^{5} b^{8} - (25 a^{8} b^{4 \cdot 2})$

Step 8.2

Multiply $4$ by $2$ .

$27 a^{6} b^{8} + 63 a^{5} b^{8} - (25 a^{8} b^{8})$

Step 9

Multiply $25$ by $- 1$ .

$27 a^{6} b^{8} + 63 a^{5} b^{8} - 25 a^{8} b^{8}$