Question

Решите пожалуйста.
1.(2х+1)²-8=(3-2х)²
2.(1-3х)²-12=(3х+5)²

Answer 1

1. 4x^2+4x+1-8=9-12x+4x^2
4x^2-4x^2+4x+12x=9+8-1
16x=16
x=1

2.1-6x+9x^2-12=9x^2+30x+25
9x^2-9x^2-6x-30x=25+12-1
-36x=36
x=-1