Factor the Trinomial Completely $10 x ^ { 2 } + 33 x - 7$

Multiple Choice

Factor the trinomial completely. Indicate if it is not factorable using integers. $10 x ^ { 2 } + 33 x - 7$

A) $( 5 x - 1 ) ( 2 x - 7 )$
B) $( 5 x + 1 ) ( 2 x - 7 )$
C) $( 5 x - 1 ) ( 2 x + 7 )$
D) $( 5 x - 7 ) ( 2 x - 1 )$
E) not factorable