Factor the Polynomial Completely
- $49 x^{6}+84 x^{3}+36$ A) $49 x^{6}+84 x^{3}+84$

Multiple Choice

Factor the polynomial completely
- $49 x^{6}+84 x^{3}+36$

A) $49 x^{6}+84 x^{3}+84$
B) $\left(7 x^{3}+6\right) ^{2}$
C) $\left(7 x^{3}-6\right) ^{2}$
D) $\left(7 x^{3}-6\right) \left(7 x^{3}+6\right)$