CPM Homework Help : A2C Problem 10-43

Simplify and add $\frac { x - 4 } { x + 2 } + \frac { 4 x + 12 } { x ^ { 2 } + 5 x + 6 }$ . Justify each step.

Hint:

$\frac{x-4}{x+2}+\frac{4(x+3)}{(x+2)(x+3)}$

More Help:

$\frac{x-4}{x+2}+\frac{4}{x+2}$

Answer:

$\frac{x}{x+2}$