Question

Решите уравнение : (2x-1)^2=2x-1,

(x-3)^2=4(x-3), 4(x-3)^2=(2x+6)^2, (3x+4)^2=3(x+4)

Answer 1

1. 4х - 2=2х-1
4х-2х=2-1
2х=1
х=0,5 или 1/2
2. 2х-6=4х-12
2х-4х=6-12
-2х=-6
х=3
3.(4х-12)^2=4х+12
8х-24=4х=12
8х-4х=12+24
4х=36
х=9
4.6х+8=3х+12
6х-3х=12-8
2х=4
х2