Factor completely.
-$64 \mathrm { x } ^ { 2 } - 49$
A) $( 8 x + 7 ) ^ { 2 }$
B) Prime
C) $( 8 x - 7 ) ^ { 2 }$
D) $( 8 x + 7 ) ( 8 x - 7 )$

Name: Factor completely. -$64 \mathrm { x } ^ { 2 } - 49$ A) $( 8 x + 7 ) ^ { 2 }$ B) Prime C) $( 8 x - 7 ) ^ { 2 }$ D) $( 8 x + 7 ) ( 8 x - 7 )$
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Question

Quizplus · Accepted Answer

This is a difference of squares, factoring as $(8x)^2 - 7^2 = (8x + 7)(8x - 7)$.

Factor Completely 64x2−4964 \mathrm { x } ^ { 2 } - 4964x2−49

Factor Completely $64 \mathrm { x } ^ { 2 } - 49$