/ 2 3 \ lim \-100 - 7*x + 6*x + 12*x/ x->3+
Limit(-100 - 7*x^2 + 6*x^3 + 12*x, x, 3)
35
= 35
/ 2 3 \ lim \-100 - 7*x + 6*x + 12*x/ x->3-
35.0