/ 3 \ | x | lim |-------| x->-2+| 2| \-4 + x /
Limit(x^3/(-4 + x^2), x, -2)
oo
= 299.50579332916
/ 3 \ | x | lim |-------| x->-2-| 2| \-4 + x /
-oo
= -304.505796070275
299.50579332916