Factor completely. Check by multiplying the factors. $m ^ { 2 } + 28 m + 196$
A) $( m + 1 ) ( m + 196 )$
B) $( m + 14 ) ( m + 14 )$
C) $( m - 1 ) ( m - 196 )$
D) $( m - 14 ) ( m + 14 )$
E) $( m - 14 ) ( m - 14 )$

Question

Quizplus · Accepted Answer

The given expression is a perfect square trinomial, factoring to $(m + 14)^2$ or $(m + 14)(m + 14)$, because $14^2 = 196$ and $2 \cdot 14m = 28m$.

Factor Completely m2+28m+196m ^ { 2 } + 28 m + 196m2+28m+196

Factor Completely $m ^ { 2 } + 28 m + 196$