Factor 10a^2+40a - Math solver

$10 a^{2} + 40 a$

Factor $10 a$ out of $10 a^{2}$ .

$10 a (a) + 40 a$

Factor $10 a$ out of $40 a$ .

$10 a (a) + 10 a (4)$

Factor $10 a$ out of $10 a (a) + 10 a (4)$ .

$10 a (a + 4)$

Factor 10a^2+40a