Factor Using the Ac-Method $x^{5}+15 x^{4}+56 x^{3}$ A) $x^{8}\left(x^{2}+15 x+56\right)$ B) $x^{3}(x+8)(x+7)$ C) $x^{3}(x-8)(x+7)$

Multiple Choice

Factor using the ac-method.
- $x^{5}+15 x^{4}+56 x^{3}$

A) $x^{8}\left(x^{2}+15 x+56\right)$
B) $x^{3}(x+8) (x+7)$
C) $x^{3}(x-8) (x+7)$
D) $x^{3}(x+8) (x-7)$