Precalculus Examples

$10 b - 30 a b^{2}$

Step 1

Factor $10 b$ out of $10 b$ .

$10 b (1) - 30 a b^{2}$

Step 2

Factor $10 b$ out of $- 30 a b^{2}$ .

$10 b (1) + 10 b (- 3 a b)$

Step 3

Factor $10 b$ out of $10 b (1) + 10 b (- 3 a b)$ .

$10 b (1 - 3 a b)$