/ 2 \ |-9 + x | lim |--------| x->2+| 2 | \x + 3*x/
Limit((-9 + x^2)/(x^2 + 3*x), x, 2)
= -1/2
-1/2
= -0.5
/ 2 \ |-9 + x | lim |--------| x->2-| 2 | \x + 3*x/
-0.5