/ 4\ | 2 x | lim |1 + x + 10*x - --| x->-2+\ 2 /
Limit(1 + x + 10*x^2 - x^4/2, x, -2)
31
= 31
/ 4\ | 2 x | lim |1 + x + 10*x - --| x->-2-\ 2 /
31.0