Perform the Indicated Operation $\left( 3 x ^ { 2 } - 10 x + 3 \right) - \left( x ^ { 2 } - 3 x + 2 \right) + \left( 7 x ^ { 2 } + 5 \right)$

Multiple Choice

Perform the indicated operation.
- $\left( 3 x ^ { 2 } - 10 x + 3 \right) - \left( x ^ { 2 } - 3 x + 2 \right) + \left( 7 x ^ { 2 } + 5 \right)$

A) $- 5 x ^ { 2 } - 13 x + 10$
B) $9 x ^ { 2 } - 7 x + 10$
C) $9 x ^ { 2 } - 7 x + 6$
D) $9 x ^ { 2 } + 7 x + 6$