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

Multiple Choice

Perform the indicated operations. $\left( x ^ { 2 } - 8 x - 4 \right) + \left( 8 x ^ { 2 } - 2 x - 4 \right) - \left( 3 x ^ { 2 } - 8 x - 3 \right)$

A) $6 x ^ { 2 } - 2 x - 11$
B) $6 x ^ { 2 } + 2 x - 5$
C) $6 x ^ { 2 } - 2 x - 5$
D) $- 6 x ^ { 2 } - 2 x + 11$
E) $6 x ^ { 2 } - 2 x + 5$