Factor Out the Largest Possible Common Factor $20 x ^ { 2 } - 25 x - 16 x + 20$

Multiple Choice

Factor out the largest possible common factor.
- $20 x ^ { 2 } - 25 x - 16 x + 20$

A) $( 5 x + 4 ) ( 4 x + 5 )$
B) $( 20 x - 4 ) ( x - 5 )$
C) $( 5 x - 4 ) ( 4 x - 5 )$
D) $( 20 x + 4 ) ( x + 5 )$