Factor Completely $$3 x ^ { 2 } + 12 x + 12$$

Multiple Choice

Factor completely. If the polynomial cannot be factored, write ʺprime.ʺ
- $$3 x ^ { 2 } + 12 x + 12$$

A) $3 ( 3 x + 2 ) ^ { 2 }$
B) $3 ( 3 x + 2 ) ( x + 6 )$
C) $3 ( x - 2 ) ^ { 2 }$
D) $3 ( x + 2 ) ^ { 2 }$