Question

Хелп)

(3х – 2)(3х – 2) – (1 + 2х)(1 + 2х)

Answer 1

9x-6x-6x-4-(1+2x+2x+4x)=
=9x-6x-6x-4-1-2x-2x-4x=
=-3x-5-8x

-3x+8x=5
5x=5
x=1
Вроде так