الاجابة
عوامل كثيرة الحدود : (x – 3)(x + 1)(x – 1)(x -2)
P(x) = (x – 3)(x – 2)(x2 – 1)
= (x2 – 5x + 6)(x2 – 1)
= x4 – 5x3 + 6x2 – x2 + 5x – 6
= x4 – 5x3 + 5x2 + 5x – 6