Precalculus Examples

$- 4 x^{2} - 8 x$

Step 1

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

$- 4 x (x) - 8 x$

Step 2

Factor $- 4 x$ out of $- 8 x$ .

$- 4 x (x) - 4 x (2)$

Step 3

Factor $- 4 x$ out of $- 4 x (x) - 4 x (2)$ .

$- 4 x (x + 2)$

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