Algebra Examples

$\frac{8}{2 x^{- 3}}$

Step 1

Move $x^{- 3}$ to the numerator using the negative exponent rule $\frac{1}{b^{- n}} = b^{n}$ .

$\frac{8 x^{3}}{2}$

Step 2

Cancel the common factor of $8$ and $2$ .

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Step 2.1

Factor $2$ out of $8 x^{3}$ .

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

Step 2.2

Cancel the common factors.

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Step 2.2.1

Factor $2$ out of $2$ .

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

Step 2.2.2

Cancel the common factor.

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

Step 2.2.3

Rewrite the expression.

$\frac{4 x^{3}}{1}$

Step 2.2.4

Divide $4 x^{3}$ by $1$ .

$4 x^{3}$