Find the Product
- $-8 a x^{7}\left(9 a x^{6}-12 x^{2}-8 a\right)$

Multiple Choice

Find the product
- $-8 a x^{7}\left(9 a x^{6}-12 x^{2}-8 a\right)$

A) $-72 a^{2} x^{42}+96 a x^{14}+64 a^{2} x^{7}$
B) $-72 a^{2} x^{13}+96 a x^{9}+64 a^{2} x^{7}$
C) $-72 a x^{13}+96 a x^{9}+64 a x^{7}$
D) $-72 a^{2} x^{13}-96 a x^{9}-64 a^{2} x^{7}$