Pre-Algebra Examples

$(2 x^{4} y^{- 3}) - 1$

Step 1

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

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

Step 2

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

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Step 2.1

Combine $2$ and $\frac{1}{y^{3}}$ .

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

Step 2.2

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

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

Step 3

Move $2$ to the left of $x^{4}$ .

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