Factor Completely Using the Difference of Squares Along with Factoring $9 x ^ { 3 } + 7 x ^ { 2 } - 36 x - 28$

Multiple Choice

Factor completely using the difference of squares along with factoring by grouping. $9 x ^ { 3 } + 7 x ^ { 2 } - 36 x - 28$

A) $( 9 x - 7 ) ( x + 2 ) ( x - 2 )$
B) $( 9 x - 7 ) ( x - 2 ) ^ { 2 }$
C) $( 9 x + 7 ) ( x - 2 ) ^ { 2 }$
D) $( 9 x + 7 ) ( x + 2 ) ( x - 2 )$