/ 3 \ | 27 + x | lim |------------| x->17+| 2 | \9 + x - 3*x/
Limit((27 + x^3)/(9 + x^2 - 3*x), x, 17)
= 20
/ 3 \ | 27 + x | lim |------------| x->17+| 2 | \9 + x - 3*x/
20
= 20
/ 3 \ | 27 + x | lim |------------| x->17-| 2 | \9 + x - 3*x/
20
= 20
= 20