Algebra Examples

$\frac{{(x^{2} y^{3})}^{- 1}}{{(x^{- 2} y^{2} z)}^{2}}$

Step 1

Move ${(x^{2} y^{3})}^{- 1}$ to the denominator using the negative exponent rule $b^{- n} = \frac{1}{b^{n}}$ .

$\frac{1}{{(x^{- 2} y^{2} z)}^{2} (x^{2} y^{3})}$

Step 2

Simplify the denominator.

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Step 2.1

Apply the product rule to $x^{- 2} y^{2} z$ .

$\frac{1}{{(x^{- 2} y^{2})}^{2} z^{2} x^{2} y^{3}}$

Step 2.2

Rewrite the expression using the negative exponent rule $b^{- n} = \frac{1}{b^{n}}$ .

$\frac{1}{{(\frac{1}{x^{2}} y^{2})}^{2} z^{2} x^{2} y^{3}}$

Step 2.3

Combine $\frac{1}{x^{2}}$ and $y^{2}$ .

$\frac{1}{{(\frac{y^{2}}{x^{2}})}^{2} z^{2} x^{2} y^{3}}$

Step 2.4

Apply the product rule to $\frac{y^{2}}{x^{2}}$ .

$\frac{1}{\frac{{(y^{2})}^{2}}{{(x^{2})}^{2}} z^{2} x^{2} y^{3}}$

Step 2.5

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

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Step 2.5.1

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

$\frac{1}{\frac{y^{2 \cdot 2}}{{(x^{2})}^{2}} z^{2} x^{2} y^{3}}$

Step 2.5.2

Multiply $2$ by $2$ .

$\frac{1}{\frac{y^{4}}{{(x^{2})}^{2}} z^{2} x^{2} y^{3}}$

Step 2.6

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

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Step 2.6.1

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

$\frac{1}{\frac{y^{4}}{x^{2 \cdot 2}} z^{2} x^{2} y^{3}}$

Step 2.6.2

Multiply $2$ by $2$ .

$\frac{1}{\frac{y^{4}}{x^{4}} z^{2} x^{2} y^{3}}$

Step 2.7

Combine exponents.

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Step 2.7.1

Combine $\frac{y^{4}}{x^{4}}$ and $z^{2}$ .

$\frac{1}{\frac{y^{4} z^{2}}{x^{4}} x^{2} y^{3}}$

Step 2.7.2

Combine $\frac{y^{4} z^{2}}{x^{4}}$ and $x^{2}$ .

$\frac{1}{\frac{y^{4} z^{2} x^{2}}{x^{4}} y^{3}}$

Step 2.7.3

Combine $\frac{y^{4} z^{2} x^{2}}{x^{4}}$ and $y^{3}$ .

$\frac{1}{\frac{y^{4} z^{2} x^{2} y^{3}}{x^{4}}}$

Step 2.7.4

Multiply $y^{4}$ by $y^{3}$ by adding the exponents.

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Step 2.7.4.1

Move $y^{3}$ .

$\frac{1}{\frac{y^{3} y^{4} z^{2} x^{2}}{x^{4}}}$

Step 2.7.4.2

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

$\frac{1}{\frac{y^{3 + 4} z^{2} x^{2}}{x^{4}}}$

Step 2.7.4.3

Add $3$ and $4$ .

$\frac{1}{\frac{y^{7} z^{2} x^{2}}{x^{4}}}$

Step 2.8

Reduce the expression $\frac{y^{7} z^{2} x^{2}}{x^{4}}$ by cancelling the common factors.

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Step 2.8.1

Factor $x^{2}$ out of $y^{7} z^{2} x^{2}$ .

$\frac{1}{\frac{x^{2} (y^{7} z^{2})}{x^{4}}}$

Step 2.8.2

Factor $x^{2}$ out of $x^{4}$ .

$\frac{1}{\frac{x^{2} (y^{7} z^{2})}{x^{2} x^{2}}}$

Step 2.8.3

Cancel the common factor.

$\frac{1}{\frac{x^{2} (y^{7} z^{2})}{x^{2} x^{2}}}$

Step 2.8.4

Rewrite the expression.

$\frac{1}{\frac{y^{7} z^{2}}{x^{2}}}$

Step 3

Multiply the numerator by the reciprocal of the denominator.

$1 \frac{x^{2}}{y^{7} z^{2}}$

Step 4

Multiply $\frac{x^{2}}{y^{7} z^{2}}$ by $1$ .

$\frac{x^{2}}{y^{7} z^{2}}$