Subtract, and then simplify, if possible. $\frac { 10 } { a + 4 } - \frac { 14 } { a + 3 }$
A) $\frac { 2 ( 2 a - 13 ) } { ( a + 2 ) ( a - 4 ) }$
B) $\frac { - 2 ( 2 a + 13 ) } { a + 3 }$
C) $\frac { - 2 ( 2 a + 13 ) } { a + 4 }$
D) $\frac { - 2 ( 2 a - 13 ) } { ( a + 4 ) ( a + 3 ) }$
E) $\frac { - 2 ( 2 a + 13 ) } { ( a + 4 ) ( a + 3 ) }$

Question

Quizplus · Accepted Answer

To subtract the fractions, find a common denominator, which is $(a + 4)(a + 3)$. The subtraction then simplifies to $\frac{-2(2a + 13)}{(a + 4)(a + 3)}$.

Subtract, and Then Simplify, If Possible 10a+4−14a+3\frac { 10 } { a + 4 } - \frac { 14 } { a + 3 }a+410​−a+314​

Subtract, and Then Simplify, If Possible $\frac { 10 } { a + 4 } - \frac { 14 } { a + 3 }$