Question

(5-2х)(5+2х)=2х(1-2х)​

Answer 1

Ответ: x = 25/2 или 12.5

Объяснение:

(5-2х)(5+2х)=2х(1-2х)

25-4x²=2x-4x²

-4x²-4x²-2x=-25

-2x=-25

x = 25/2

Answer 2

Ответ:

25+10x-10x-4x^2=2x-4x^2

25+10x-10x-4x^2-2x+4x^2=0

-2x+25=0

-2x=-25

x=-25/-2

x=25/2

x=12,5