Precalculus Examples

$- f (x)$ , $f (x) = x^{2} - 4 x$

Step 1

Apply the distributive property.

$- x^{2} - (- 4 x)$

Step 2

Multiply $- 4$ by $- 1$ .

$- x^{2} + 4 x$

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