Factor completely.
-$36 k ^ { 2 } - 49 m ^ { 2 }$
A) $( 36 \mathrm { k } + \mathrm { m } ) ( \mathrm { k } - 49 \mathrm {~m} )$
B) $( 6 \mathrm { k } - 7 \mathrm {~m} ) ^ { 2 }$
C) $( 6 \mathrm { k } + 7 \mathrm {~m} ) ^ { 2 }$
D) $( 6 \mathrm { k } + 7 \mathrm {~m} ) ( 6 \mathrm { k } - 7 \mathrm {~m} )$

Question

Quizplus · Accepted Answer

The expression $36 k ^ { 2 } - 49 m ^ { 2 }$ is a difference of squares, which factors into $(6k)^2 - (7m)^2 = (6k + 7m)(6k - 7m)$.

Factor Completely 36k2−49m236 k ^ { 2 } - 49 m ^ { 2 }36k2−49m2

Factor Completely $36 k ^ { 2 } - 49 m ^ { 2 }$