Factor the Trinomial $$4 x ^ { 2 } + x - 105$$

Multiple Choice

Factor the trinomial.
- $$4 x ^ { 2 } + x - 105$$

A) $( 4 x - 21 ) ( x + 5 )$
B) $( 4 x - 5 ) ( x + 21 )$
C) $( 4 x + 21 ) ( x - 5 )$
D) $( 4 x + 5 ) ( x - 21 )$