Решите уравнение (2x-1) (x+1)=0 х(2х+1)=0
X (2x + 1) = 0 x= 0 2x + 1 = 0 2x = -1 x = -1/2 (2x - 1) (x + 1) = 0 2x - 1 = 0 x + 1 = 0 2x = 1 x = -1 x = 1/2