Ответ: x^3 — 3x^2 — 4x + 12 = 0x^2 (x — 3) — 4(x — 3) = 0(x — 3)(x^2 — 4) = 0(x — 3)(x — 2)(x + 2) = 0x — 3 = 0x1 = 3x — 2 = 0x2 = 2 x + 2 = 0 x3 = —  2