(-2;-3),(0; -1)- две точки
(3х-7)⁾(2х+2) -(2х+2)⁾(3х-7) 3(2х+2) - 2(3х-7)
у⁾= ------------------------------------------- = ------------------------------- =
(2х+2)² (2х+2)²
6х+6 -6х+14 20
= ------------------------ = -------------------
(2х+2)² (2х+2)²