Factor Completely $3 x^{5}+9 x^{4} y-30 x^{3} y^{2}$ A) $\left(3 x^{2}+6 x y\right)\left(x^{3}-5 y\right)$

Multiple Choice

Factor completely. If the polynomial cannot be factored, write "prime."
- $3 x^{5}+9 x^{4} y-30 x^{3} y^{2}$

A) $\left(3 x^{2}+6 x y\right) \left(x^{3}-5 y\right)$
B) $(x-2 y) \left(3 x^{4}+15 x y\right)$
C) $3 x^{3}(x+2 y) (x-5 y)$
D) $3 x^{3}(x-2 y) (x+5 y)$