Question

Решите уравнение (√х^2-2х+1 +(х+1) ^2-2)/√х^2-2х=0

Answer 1

(|x|-2x-1+(x+1)^2)*|x|-2x=0
(|x| -1+x^2+1)*|x|-2x=0
(|x|+x2)*|x|-2x=0
x=o
x=-2,x=> 0
x=1
x=o
x2=1