Simplify the Radical Expression $-\sqrt[3]{-64 \mathrm{x}^{3}}$ A) $-4 x$ B) $4 x$ C) $4 x^{3}$

Multiple Choice

Simplify the radical expression. Assume all variables represent nonnegative real numbers.
- $-\sqrt[3]{-64 \mathrm{x}^{3}}$

A) $-4 x$
B) $4 x$
C) $4 x^{3}$
D) $-64 x$