Basic Math Examples

$12 a^{3} - 20 a^{2}$

Step 1

Factor $4 a^{2}$ out of $12 a^{3}$ .

$4 a^{2} (3 a) - 20 a^{2}$

Step 2

Factor $4 a^{2}$ out of $- 20 a^{2}$ .

$4 a^{2} (3 a) + 4 a^{2} (- 5)$

Step 3

Factor $4 a^{2}$ out of $4 a^{2} (3 a) + 4 a^{2} (- 5)$ .

$4 a^{2} (3 a - 5)$