Question

(x-1)(x-2)=(3x+2)(3-x)+2 решение

Answer 1

х2-2х-х+2=9х+3х2+6-2х+2
х2-2х-х+2-9х-3х2-6+2х+2=0
-2х2-10х-2=0|*(-1)
2х2+10х+2=0
х2+5х+1=0
х1=-2
х2=3