lim (x -> 3) (2*x^2-9*x+9)/(x^2-5*x+6)=lim (x -> 3)((2х-3)(х-3)):((х-2)(х-3))=
lim (x -> 3)(2х-3):(х-2)=3
lim (x -> 3) (2*x^2-9*x+9)/(x^2-5*x+6)=lim (x -> 3)((2х-3)(х-3)):((х-2)(х-3))=
lim (x -> 3)(2х-3):(х-2)=3