Subtract the Rational Expressions $\frac { 4 } { 7 x - 3 } - \frac { 3 } { 5 x + 4 }$

Multiple Choice

Subtract the rational expressions. Be sure to express your answer in simplest form. $\frac { 4 } { 7 x - 3 } - \frac { 3 } { 5 x + 4 }$

A) $\frac { - x + 25 } { ( 7 x - 3 ) ( 5 x + 4 ) }$
B) $\frac { x - 25 } { ( 7 x - 3 ) ( 5 x + 4 ) }$
C) $\frac { - x + 25 } { ( 7 x + 3 ) ( 5 x - 4 ) }$
D) $\frac { - x + 41 } { ( 7 x - 3 ) ( 5 x + 4 ) }$