Factor Out the Greatest Common Factor $3(x+6)^{5}+4(x+6)^{7}$ A) $7(x+6)$ B) $7(x+6)^{5}$ C) $(x+6)^{5}\left(4 x^{2}+147\right)$

Multiple Choice

Factor out the greatest common factor.
- $3(x+6) ^{5}+4(x+6) ^{7}$

A) $7(x+6)$
B) $7(x+6) ^{5}$
C) $(x+6) ^{5}\left(4 x^{2}+147\right)$
D) $(x+6) ^{5}\left(4 x^{2}+48 x+147\right)$