Solve
-A Board of Length $\frac { 2 } { x + 4 }$

Solve.
-A board of length $\frac { 2 } { x + 4 }$ inches was cut into two pieces. If one piece is $\frac { 5 } { x - 4 }$ inches, express the length of the other board as a rational expression.

A) $\frac { - 3 } { ( x + 4 ) ( x - 4 ) }$ in.

B) $\frac { - 3 x + 12 } { ( x + 4 ) ( x - 4 ) }$ in.

C) $\frac { - 3 x - 28 } { ( x + 4 ) ( x - 4 ) } \mathrm { in }$ .

D) $\frac { - 3 x + 28 } { ( x + 4 ) ( x - 4 ) }$ in.

Correct Answer:

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