Решите уравнение! плиииз!х^3+2х^2-5х-6=0

x^3 + 2x^2 - 5x - 6 = 0  x^3 + x^2 + x^2 + x - 6x - 6 = 0 (x^3 + x^2) + (x^2 + x) - (6x + 6) = 0 x^2(x + 1) + x(x + 1) - 6(x + 1) =  0 (x + 1)(x^2 + x - 6) =  0 1) x + 1 =  0 x₁ = - 1; 2) x^2 + x - 6 = 0 D = 1 + 24 = 25 = 5² x₂ = ( - 1  +5)/2 = 2; x₃ = ( - 1 - 5)/2 = - 3; Ответ - 3; - 1; 2