Factor. $14 m ^ { 4 } - 28 m ^ { 2 } + 7 m$
A) $7 m \left( 2 m ^ { 3 } - 4 m + 1 \right)$
B) $7 m \left( 4 m ^ { 3 } - 2 m + 1 \right)$
C) $2 m \left( 2 m ^ { 3 } - 4 m + 7 \right)$
D) $2 m \left( 7 m ^ { 3 } - 2 m + 1 \right)$
E) $2 m \left( 2 m ^ { 3 } - 4 m ^ { 2 } + 7 m \right)$

Question

Quizplus · Accepted Answer

Each term in the expression $14 m ^ { 4 } - 28 m ^ { 2 } + 7 m$ is divisible by $7m$, factoring out $7m$ gives $7 m \left( 2 m ^ { 3 } - 4 m + 1 \right)$.

Factor 14m4−28m2+7m14 m ^ { 4 } - 28 m ^ { 2 } + 7 m14m4−28m2+7m

Factor $14 m ^ { 4 } - 28 m ^ { 2 } + 7 m$