Perform the Indicated Operation $\left( 7 x ^ { 2 } - 5 x + 4 \right) - \left( - 4 x + 5 x ^ { 2 } - 1 \right)$

Multiple Choice

Perform the indicated operation: $\left( 7 x ^ { 2 } - 5 x + 4 \right) - \left( - 4 x + 5 x ^ { 2 } - 1 \right)$

A) $11 x ^ { 2 } - 10 x + 5$
B) $12 x ^ { 2 } - x + 3$
C) $2 x ^ { 4 } - x ^ { 2 } + 5$
D) $2 x ^ { 2 } - x + 5$