x^3 - 5x^2 - 2x + 24 =
= x^3 - 4x^2 - x^2 + 4x - 6x + 24
= x^2(x - 4) - x(x - 4) - 6(x - 4) =
= (x - 4)(x^2 - x - 6) =
= (x - 4)(x^2 - 3x + 2x - 6)
= (x - 4)(x (x - 3) + 2(x - 3))
= (x - 4)(x - 3)(x + 2) = 0
x - 4 = 0
x = 4
x - 3 = 0
x = 3
x + 2 = 0
x = - 2
Ответ
- 2; 3; 4