27. (5x – 2) (3x - 3) (x - 1)

Решение: (5x - 2)(3x - 3)(x - 1) = (5x - 2)[3x(x - 1) - 3(x - 1)] = (5x - 2)[3x^2 - 3x - 3x + 3] = (5x - 2)(3x^2 - 6x + 3) = 5x(3x^2 - 6x + 3) - 2(3x^2 - 6x + 3) = 15x^3 - 30x^2 + 15x - 6x^2 + 12x - 6 = 15x^3 - 36x^2 + 27x - 6 Ответ: 15x^3 - 36x^2 + 27x - 6