Factor by Grouping $12 x ^ { 4 } - 15 x ^ { 2 } - 8 x ^ { 2 } + 10$

Multiple Choice

Factor by grouping.
- $12 x ^ { 4 } - 15 x ^ { 2 } - 8 x ^ { 2 } + 10$

A) $\left( 3 x ^ { 4 } - 2 \right) ( 4 x - 5 )$
B) $\left( 3 x ^ { 2 } - 2 \right) \left( 4 x ^ { 2 } - 5 \right)$
C) $\left( 3 x ^ { 2 } + 2 \right) \left( 4 x ^ { 2 } + 5 \right)$
D) $\left( 12 x ^ { 2 } + 2 \right) \left( x ^ { 2 } + 5 \right)$