Precalculus Examples

$\frac{- x}{{(- x)}^{2} + 1}$

Step 1

Simplify the denominator.

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Step 1.1

Apply the product rule to $- x$ .

$\frac{- x}{{(- 1)}^{2} x^{2} + 1}$

Step 1.2

Raise $- 1$ to the power of $2$ .

$\frac{- x}{1 x^{2} + 1}$

Step 1.3

Multiply $x^{2}$ by $1$ .

$\frac{- x}{x^{2} + 1}$

$\frac{- x}{x^{2} + 1}$

Step 2

Move the negative in front of the fraction.

$- \frac{x}{x^{2} + 1}$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$