Factor Completely $$x ^ { 2 } + 8 x + 15$$

Multiple Choice

Factor completely. If the polynomial cannot be factored, write ʺprime.ʺ
- $$x ^ { 2 } + 8 x + 15$$

A) $( x + 15 ) ( x + 8 )$
B) $( x - 5 ) ( x - 3 )$
C) $( x + 15 ) ( x - 1 )$
D) $( x + 5 ) ( x + 3 )$