Factor Completely $x^{4}+4 x^{3}+2 x^{2}+8 x$ A) $\left(x^{2}-2\right)\left(x^{2}+4 x\right)$ B) $x(x+4)\left(x^{2}+2\right)$ C) $x\left(x^{2}+2\right)(x-4)$ D) Prime

Multiple Choice

Factor completely. If the polynomial cannot be factored, write "prime."
- $x^{4}+4 x^{3}+2 x^{2}+8 x$

A) $\left(x^{2}-2\right) \left(x^{2}+4 x\right)$
B) $x(x+4) \left(x^{2}+2\right)$
C) $x\left(x^{2}+2\right) (x-4)$
D) Prime