Precalculus Examples

$2 a^{3} b - 18 a^{2} b^{2}$

Step 1

Factor $2 a^{2} b$ out of $2 a^{3} b$ .

$2 a^{2} b (a) - 18 a^{2} b^{2}$

Step 2

Factor $2 a^{2} b$ out of $- 18 a^{2} b^{2}$ .

$2 a^{2} b (a) + 2 a^{2} b (- 9 b)$

Step 3

Factor $2 a^{2} b$ out of $2 a^{2} b (a) + 2 a^{2} b (- 9 b)$ .

$2 a^{2} b (a - 9 b)$