Question

решите уравнение
(1/2 - 5х)^2 + 3/4 = (5х - 4)^2

Answer 1

1/4 - 5x + 25x^2 + 3/4 = 25x^2 - 40x + 16
1 - 5x + 40x + 25x^2 - 25x^2 - 16 = 0
35x - 15 = 0
35x = 15
x = 15/35
x = 3/7