Perform the Indicated Operations $( n - 3 ) - \left( 7 n ^ { 2 } - n + 7 \right) + \left( n ^ { 2 } - 2 \right)$

Multiple Choice

Perform the indicated operations. $( n - 3 ) - \left( 7 n ^ { 2 } - n + 7 \right) + \left( n ^ { 2 } - 2 \right)$

A) $- 6 n ^ { 2 } + 12$
B) $- 6 n ^ { 2 } - 12$
C) $6 n ^ { 2 } + 2 n - 12$
D) $- 6 n ^ { 2 } + 2 n + 12$
E) $- 6 n ^ { 2 } + 2 n - 12$