Pre-Algebra Examples

$7 a - 28$

Step 1

Factor $7$ out of $7 a$ .

$7 (a) - 28$

Step 2

Factor $7$ out of $- 28$ .

$7 a + 7 \cdot - 4$

Step 3

Factor $7$ out of $7 a + 7 \cdot - 4$ .

$7 (a - 4)$

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