Perform the Indicated Operation $$\begin{array} { r } 2 n ^ { 5 } + 8 n ^ { 2 } - 12 \\- \left( 5 n ^ { 5 } - 2 n ^ { 2 } + 4 \right) \\\hline\end{array}$$

Multiple Choice

Perform the indicated operation.
- $$\begin{array} { r } 2 n ^ { 5 } + 8 n ^ { 2 } - 12 \\- \left( 5 n ^ { 5 } - 2 n ^ { 2 } + 4 \right) \\\hline\end{array}$$

A) $- 3 n ^ { 5 } + 13 n ^ { 2 } - 8$
B) $- 3 n ^ { 5 } + 10 n ^ { 2 } - 16$
C) $- 9 n ^ { 7 }$
D) $- 3 n ^ { 5 } + 10 n ^ { 2 } - 8$