Factor.
-$$x ^ { 3 } + 9 x ^ { 2 } - 36 x$$
A) $\left( x ^ { 2 } + 3 \right) ( x - 12 )$
B) $\left( x ^ { 2 } + 12 \right) ( x - 3 )$
C) $x ( x + 12 ) ( x - 3 )$
D) $x ( x - 12 ) ( x + 3 )$

Question

Quizplus · Accepted Answer

First, factor out the greatest common factor, which is $x$, to get $x(x^2 + 9x - 36)$. Then, factor the quadratic to get $x(x + 12)(x - 3)$.

Factor - x3+9x2−36xx ^ { 3 } + 9 x ^ { 2 } - 36 xx3+9x2−36x

Factor
- $x ^ { 3 } + 9 x ^ { 2 } - 36 x$