I'm trying to solve the Limit of x->-3, so I need help simplifying (-x^2+x+12)/(x+3)

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- Feb 20th 2009, 12:27 PMgiselledNeed help simplifying
I'm trying to solve the Limit of x->-3, so I need help simplifying (-x^2+x+12)/(x+3)

- Feb 20th 2009, 12:43 PMRist
AFAIK, L'Hopital's rule can be applied here. That is: if $\displaystyle \lim_{x \to c}\frac{f(x)}{g(x)}=\left ( \frac{0}{0} \right )$ then $\displaystyle \lim_{x \to c}\frac{f(x)}{g(x)}=\lim_{x \to c}\frac{f'(x)}{g'(x)}$

- Feb 20th 2009, 12:46 PMAir
- Feb 20th 2009, 12:58 PMmr fantastic