Pre-Algebra Examples

$r (b - 3) + t (b - 3)$

Step 1

Factor $b - 3$ out of $r (b - 3)$ .

$(b - 3) r + t (b - 3)$

Step 2

Factor $b - 3$ out of $t (b - 3)$ .

$(b - 3) r + (b - 3) t$

Step 3

Factor $b - 3$ out of $(b - 3) r + (b - 3) t$ .

$(b - 3) (r + t)$

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