Разложим многочлен.
3 * (x - 4) * (x + 2) + (3 * x - 1) * (5 - x) = 3 * (x^2 + 2 * x - 4 * x - 8) + (15 * x - 3 * x^2 - 5 + x) = 3 * (x^2 - 2 * x - 8) - 3 * x^2 + 16 * x - 5 = 3 * x^2 - 6 * x - 24 - 3 * x^2 + 16 * x - 5 = 10 * x - 29.
Разложим многочлен.
3 * (x - 4) * (x + 2) + (3 * x - 1) * (5 - x) = 3 * (x^2 + 2 * x - 4 * x - 8) + (15 * x - 3 * x^2 - 5 + x) = 3 * (x^2 - 2 * x - 8) - 3 * x^2 + 16 * x - 5 = 3 * x^2 - 6 * x - 24 - 3 * x^2 + 16 * x - 5 = 10 * x - 29.