Question

Помогите!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer 1

(2x-1)^2=9

(2x-1)^2-9=0

2х-1=3 или 2х-1=-3

2х=4            2х=-2      

х₁=2               х₂=-1