Factor Completely $25 b ^ { 2 } - 16$ A) $( 8 b - 4 ) ( 8 b + 4 )$

Multiple Choice

Factor completely. Check by multiplying the factors. $25 b ^ { 2 } - 16$

A) $( 8 b - 4 ) ( 8 b + 4 )$
B) $( 25 b - 4 ) ( b + 4 )$
C) $( 6 b - 4 ) ( 6 b + 4 )$
D) $( 5 b - 4 ) ( 5 b + 4 )$
E) $( 5 b + 4 ) ( 5 b + 4 )$