Use the Distributive Property to Help Simplify the Following Expression $- 3 \sqrt { 49 x ^ { 3 } } - 8 \sqrt { 4 x ^ { 3 } } + 11 \sqrt { 81 x ^ { 3 } }$

Multiple Choice

Use the distributive property to help simplify the following expression. All variables represent positive real numbers. $- 3 \sqrt { 49 x ^ { 3 } } - 8 \sqrt { 4 x ^ { 3 } } + 11 \sqrt { 81 x ^ { 3 } }$

A) $0$
B) $62 x \sqrt { x }$
C) $62 \sqrt { x ^ { 3 } }$
D) $712 x \sqrt { x }$