Question 251212
{{{-4a^3 - 12a^2 + 72a}}}
Factor completely.
:
We want the coefficient of a^2 to positive 1 so factor out -4a, Change all the signs
-4a(a^2 + 3a - 18)
:
We have a quadratic equation that will factor so we have:
-4a(a + 6)(a - 3)