Factor Completely $x^{3}-3 x^{2}-9 x+27$ A) $\left(x^{2}+9\right)(x-3)$ B) $(x+3)^{2}(x-3)$ C) $(x+9)\left(x^{2}-3\right)$ D) $(x-3)^{2}(x+3)$

Multiple Choice

Factor completely. If the polynomial cannot be factored, write "prime."
- $x^{3}-3 x^{2}-9 x+27$

A) $\left(x^{2}+9\right) (x-3)$
B) $(x+3) ^{2}(x-3)$
C) $(x+9) \left(x^{2}-3\right)$
D) $(x-3) ^{2}(x+3)$