Simplify Assume That All Variables Represent Positive Real Numbers $\sqrt[3]{32 x^{9} y^{7}}-\sqrt[3]{108 x^{12} y^{4}}$

Multiple Choice

Simplify. Assume that all variables represent positive real numbers.
- $\sqrt[3]{32 x^{9} y^{7}}-\sqrt[3]{108 x^{12} y^{4}}$

A) $\left(2 x^{3} y^{2}-3 x^{4} y\right) \sqrt[3]{4 y}$
B) $\left(2 x^{3} y^{2}+3 x^{4} y\right) \sqrt[3]{4 y}$
C) $\left(2 x^{3} y^{2}+3 x^{4} y\right) \sqrt[3]{4}$
D) $\left(2 x^{6} y^{4}-3 x^{9} y\right) \sqrt[3]{4}$