Factor completely.
-$100 x ^ { 3 } + 120 x ^ { 2 } + 32 x$
A) $x ( 20 x + 16 ) ( 5 x + 2 )$
B) $x ( 5 x + 4 ) ( 20 x + 8 )$
C) $4 x ( 5 x + 4 ) ( 5 x + 2 )$
D) $4 \left( 5 x ^ { 2 } + 4 \right) ( 5 x + 2 )$

Question

Quizplus · Accepted Answer

First, factor out the greatest common factor, which is $4x$, giving $4x(25x^2 + 30x + 8)$. Then, factor the quadratic inside the parentheses to get $4x(5x + 4)(5x + 2)$.

Factor Completely 100x3+120x2+32x100 x ^ { 3 } + 120 x ^ { 2 } + 32 x100x3+120x2+32x

Factor Completely $100 x ^ { 3 } + 120 x ^ { 2 } + 32 x$