Pre-Algebra Examples

$9 a^{3} - 3 a$

Step 1

Factor $3 a$ out of $9 a^{3}$ .

$3 a (3 a^{2}) - 3 a$

Step 2

Factor $3 a$ out of $- 3 a$ .

$3 a (3 a^{2}) + 3 a (- 1)$

Step 3

Factor $3 a$ out of $3 a (3 a^{2}) + 3 a (- 1)$ .

$3 a (3 a^{2} - 1)$

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