/ 2\ |9 - x | lim |------| x->-3+\-1 + x/
Limit((9 - x^2)/(-1 + x), x, -3)
0
= -8.76240875132239e-33
/ 2\ |9 - x | lim |------| x->-3-\-1 + x/
= 6.95101885901126e-32
-8.76240875132239e-33