Question

Решите уравнение
5(7 - 2x) = 2x(x-5)
x(3x - 4) = 2(5 - 2x)

Answer 1

35-10х=2х^2-10х. 2х^2=35. Х^2=17,5. Х=+-корень17,5

3х^2-4х=10-4х. Х^2=10/3 Х=+-корень10/3