Factor
- $343 x^{6}+8 y^{6}$ A) $\left(7 x^{3}+2 y^{3}\right)\left(49 x^{3}-14 x^{3} y^{3}+4 y^{3}\right)$

Multiple Choice

Factor.
- $343 x^{6}+8 y^{6}$

A) $\left(7 x^{3}+2 y^{3}\right) \left(49 x^{3}-14 x^{3} y^{3}+4 y^{3}\right)$
B) $\left(7 x^{2}-2 y^{2}\right) \left(49 x^{4}+14 x^{2} y^{2}+4 y^{4}\right)$
C) $\left(7 x^{2}+2 y^{2}\right) \left(49 x^{4}-14 x^{2} y^{2}+4 y^{4}\right)$
D) $\left(7 x^{2}+2 y^{2}\right) \left(49 x^{4}+4 y^{4}\right)$