Factor the Trinomial, If Possible $$x ^ { 2 } - x - 45$$

Multiple Choice

Factor the trinomial, if possible.
- $$x ^ { 2 } - x - 45$$

A) prime
B) $( x - 45 ) ( x + 1 )$
C) $( x - 5 ) ( x + 9 )$
D) $( x + 5 ) ( x - 9 )$