Factor Out the Greatest Common Factor $$x ( x + 14 ) + 8 ( x + 14 )$$

Multiple Choice

Factor out the greatest common factor.
- $$x ( x + 14 ) + 8 ( x + 14 )$$

A) $14 x ( x + 8 )$
B) $( x + 14 ) ( x + 8 )$
C) $8 x ( x + 14 )$
D) $\left( x ^ { 2 } + 14 x \right) + ( 8 x + 112 )$