Actor Out the Greatest Common Factor $2 x^{3}+6 x$ A) $2 x\left(x^{2}+4 x\right)$

actor out the greatest common factor. Simplify the factors, if possible
- $2 x^{3}+6 x$

A) $2 x\left(x^{2}+4 x\right)$
B) $2 x\left(x^{2}+3 x\right)$
C) $2 x^{2}(x+3)$
D) $2 x\left(x^{2}+3\right)$