/ 2\ |-9 + x | lim |-------| x->3+\1 + 3*x/
Limit((-9 + x^2)/(1 + 3*x), x, 3)
0
= 5.6107764971694e-32
/ 2\ |-9 + x | lim |-------| x->3-\1 + 3*x/
= -2.90884800500844e-33
5.6107764971694e-32