/ 3 2\ lim \5 + x - 7*x - 3*x / x->-1+
Limit(5 + x^3 - 7*x - 3*x^2, x, -1)
8
= 8.0
/ 3 2\ lim \5 + x - 7*x - 3*x / x->-1-
8.0