Factor Out the Largest Possible Common Factor $$x ( y + 12 ) + 4 ( y + 12 )$$

Multiple Choice

Factor out the largest possible common factor.
- $$x ( y + 12 ) + 4 ( y + 12 )$$

A) $4 x ( y + 12 )$
B) $( y + 12 ) ( x + 4 )$
C) $12 y ( x + 4 )$
D) $( x y + 12 x ) + ( 4 y + 48 )$