Completely Factor the Polynomial or State That the Polynomial Is $15 x ^ { 2 } - 65 x - 50$

Multiple Choice

Completely factor the polynomial or state that the polynomial is prime.
- $15 x ^ { 2 } - 65 x - 50$

A) $5 ( 3 x - 2 ) ( x + 5 )$
B) $( 15 x + 10 ) ( x - 5 )$
C) $5 ( 3 x + 2 ) ( x - 5 )$
D) prime