Completely Factor the Polynomial or State That the Polynomial Is $$64 x ^ { 2 } + 144 x + 81$$

Multiple Choice

Completely factor the polynomial or state that the polynomial is prime.
- $$64 x ^ { 2 } + 144 x + 81$$

A) $( 8 x + 9 ) ( 8 x - 9 )$
B) $( 8 x - 10 ) ^ { 2 }$
C) $( 8 x - 9 ) ^ { 2 }$
D) $( 8 x + 9 ) ^ { 2 }$