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

Multiple Choice

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

A) $\left( 8 x ^ { 2 } + 3 \right) \left( x ^ { 2 } + 5 \right)$
B) $\left( 2 x ^ { 2 } + 3 \right) \left( 4 x ^ { 2 } + 5 \right)$
C) $\left( 2 x ^ { 4 } - 3 \right) ( 4 x - 5 )$
D) $\left( 2 x ^ { 2 } - 3 \right) \left( 4 x ^ { 2 } - 5 \right)$