Factor the Expression Completely $6 x ^ { 2 } - 49 - 7 x$

Multiple Choice

Factor the expression completely. If the expression is prime, so indicate. $6 x ^ { 2 } - 49 - 7 x$

A) $( 2 x + 7 ) ( 3 x - 7 )$
B) $( 2 x - 7 ) ( 3 x + 7 )$
C) $( 2 x - 7 ) ( 3 x - 7 )$
D) $( 2 x + 7 ) ( 3 x + 7 )$
E) prime