1. ## Limit issue?

Limit as x approaches -1 [(1) / (x+1) - (3) / (X^2+5x+4)]
I have since learned that the answer is -1/3 but have no idea how, any one got any suggestions?

2. ## Re: Limit issue?

Limit as x approaches -1 [(1) / (x+1) - (3) / (X^2+5x+4)]
$\frac{1}{x+1}-\frac{3}{x^2+5x+4}=\frac{x^2+2x+1}{(x+1)(x^2+5x+4) }=\frac{(x+1)^2}{(x+1)^2(x+4)}=\ldots$

3. ## Re: Limit issue?

SO how do you go from step 1 to step b? that is my issue.

4. ## Re: Limit issue?

If the correct reading is $\frac{1}{x+1}-\frac{3}{x^2+5x+4}$
the factor and combine $\frac{1}{(x+1)}-\frac{3}{(x+1)(x+4)}$