Basic Math Examples

$15 a^{3} + 12 a^{2}$

Step 1

Factor $3 a^{2}$ out of $15 a^{3}$ .

$3 a^{2} (5 a) + 12 a^{2}$

Step 2

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

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

Step 3

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

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