Completely Factor the Polynomial or State That the Polynomial Is $$x ^ { 2 } - x - 63$$

Multiple Choice

Completely factor the polynomial or state that the polynomial is prime.
- $$x ^ { 2 } - x - 63$$

A) prime
B) $( x + 7 ) ( x - 9 )$
C) $( x - 63 ) ( x + 1 )$
D) $( x - 7 ) ( x + 9 )$