Simplify the Radical Expression $\sqrt { 6 x ^ { 2 } } + 2 \sqrt { 96 x ^ { 2 } } + 6 \sqrt { 96 x ^ { 2 } }$

Multiple Choice

Simplify the radical expression. Assume all variables represent positive real numbers.
- $\sqrt { 6 x ^ { 2 } } + 2 \sqrt { 96 x ^ { 2 } } + 6 \sqrt { 96 x ^ { 2 } }$

A) $33 x \sqrt { 135 }$
B) $8 \times \sqrt { 6 }$
C) $33 x \sqrt { 6 }$
D) $8 \times \sqrt { 135 }$