/ -x / 2\\ lim \-E + E *\-1 + x // x->1+
Limit(-E + E^(-x)*(-1 + x^2), x, 1)
-E
= -2.71828182845905
/ -x / 2\\ lim \-E + E *\-1 + x // x->1-
-2.71828182845905