Question

8/x^2-4 - x+2/x-2 = x/x+2

Answer 1

Ответ:

8/(х-2)(х+2) - х+2/х-2 - х/х-2 = 0

8-(х+2)(х+2)-х(х-2)/(х-2)(х+2)=0

8-х^2-2х-2х-4-х^2+2х=0

-2х^2-2х+4=0 |×(-1)

2х^2+2х-4=0

D=1+8=9

x1=1

x2=-2