Pre-Algebra Examples

$15 x^{2} - 225$

Step 1

Factor $15$ out of $15 x^{2}$ .

$15 (x^{2}) - 225$

Step 2

Factor $15$ out of $- 225$ .

$15 x^{2} + 15 \cdot - 15$

Step 3

Factor $15$ out of $15 x^{2} + 15 \cdot - 15$ .

$15 (x^{2} - 15)$

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