/ 2\ lim \5 - 11*x + 5*x / x->x0+
Limit(5 - 11*x + 5*x^2, x, x0)
2 5 - 11*x0 + 5*x0
/ 2\ lim \5 - 11*x + 5*x / x->x0-
5 - 11*x0 + 5*x0^2