Question

Найдите корень уравнения (2x-5)^2 - 4x^2=0

Answer 1

(2x-5)^2 - 4x^2=0
4x^2-20x+25-4x^2=0
-20x+25=0
x=-25/20
x=-1,25

Answer 2

Спасибо

Answer 3

(2x-5)² - 4x²=0
4x²-20x+25-4x²=0
-20x+25=0
-20x=-25
x=25/20
х=5/4
х= 1,25