Factor Completely $5 x^{3}+5 x^{2} y-60 x y^{2}$ A) $5 x(x-3 y)(x+4 y)$

Multiple Choice

Factor completely. If the polynomial cannot be factored, write "prime."
- $5 x^{3}+5 x^{2} y-60 x y^{2}$

A) $5 x(x-3 y) (x+4 y)$
B) $(x-3 y) \left(5 x^{2}+20 x y\right)$
C) $\left(5 x^{2}+15 x y\right) (x-4 y)$
D) $5 x(x+3 y) (x-4 y)$