Find the Product
- $4 x^{3}(5 x-8)$ A) $-12 x^{4}$ B) $20 x^{4}-32 x^{3}$

Multiple Choice

Find the product
- $4 x^{3}(5 x-8)$

A) $-12 x^{4}$
B) $20 x^{4}-32 x^{3}$
C) $20 x^{3}-32$
D) $-20 x^{4}+32 x^{3}$