СП Сергей Пируев => { y = x-2 { y = -2-x^2 => x-2 = -2-x^2 x^2 + x =0 x * (x+1) = 0 x1 = 0 -------------> y = x-2 = -2 x2 = -1 ------------> y = x-2 = -1-2 = -3