Perform the Indicated Operation $\left( 4 x ^ { 2 } - 6 x - 6 \right) - \left( 8 x ^ { 2 } + 10 x - 3 \right)$

Multiple Choice

Perform the indicated operation: $\left( 4 x ^ { 2 } - 6 x - 6 \right) - \left( 8 x ^ { 2 } + 10 x - 3 \right)$

A) $- 4 x ^ { 2 } - 16 x - 3$
B) $- 4 x ^ { 2 } + 4 x - 9$
C) $- 4 x ^ { 4 } - 16 x ^ { 2 } - 3$
D) $- 4 x ^ { 4 } + 4 x ^ { 2 } - 9$