Решите уравнение (2x -1)^2= -2x+1 и найдите сумму корней
(2x -1)^2= -2x+14x^2 - 4x +1 + 2x -1 = 0 4x^2 -2x =0 2x(2x -1) =0 2x =0 2x-1=0 x=0 2x = 1 x= 1/2 = 0.5 0 + 0.5 = 0.5