Решите уравнение :( 5 - x )^2 - ( 3x - 2 ) ( 2x + 1 ) = x ( 2 - 5x )

Question

Решите уравнение :
( 5 - x )^2 - ( 3x - 2 ) ( 2x + 1 ) = x ( 2 - 5x )

Answer 1

( 5 - x )^2 - ( 3x - 2 ) ( 2x + 1 ) = x ( 2 - 5x )
(5–х)(5+х)–(3х-2)(2х+1)=2х–5х
5х+3х+2х–2х-5х=–2+1
3х=3
х=1