Completely Factor the Polynomial or State That the Polynomial Is $49 - x ^ { 2 }$

Multiple Choice

Completely factor the polynomial or state that the polynomial is prime.
- $49 - x ^ { 2 }$

A) $( 7 - x ) ( 7 + x )$
B) prime
C) $( 7 + x ) ^ { 2 }$
D) $( 7 - x ) ^ { 2 }$