Factor Out the Greatest Common Factor $10 x ^ { 2 } + 25 x + 6 x + 15$

Multiple Choice

Factor out the greatest common factor. Simplify the factors, if possible.
- $10 x ^ { 2 } + 25 x + 6 x + 15$

A) $( 10 x + 3 ) ( x + 5 )$
B) $( 10 x - 3 ) ( x - 5 )$
C) $( 5 x + 3 ) ( 2 x + 5 )$
D) $( 5 x - 3 ) ( 2 x - 5 )$