Basic Math Examples

$12 b^{2} - 9 b^{3}$

Step 1

Factor $3 b^{2}$ out of $12 b^{2}$ .

$3 b^{2} (4) - 9 b^{3}$

Step 2

Factor $3 b^{2}$ out of $- 9 b^{3}$ .

$3 b^{2} (4) + 3 b^{2} (- 3 b)$

Step 3

Factor $3 b^{2}$ out of $3 b^{2} (4) + 3 b^{2} (- 3 b)$ .

$3 b^{2} (4 - 3 b)$