Factor the Trinomial Completely $3 x^{2}-9 x y-12 y^{2}$ A) $(3 x-3 y)(x+4 y)$

Multiple Choice

Factor the trinomial completely.
- $3 x^{2}-9 x y-12 y^{2}$

A) $(3 x-3 y) (x+4 y)$
B) $3(x+y) (x-4 y)$
C) $3(x-y) (x+4 y)$
D) $(x-y) (3 x+9 y)$