题目应该是(在实数范围内）恰好分解成两个三项式的乘积吧?x(x+1)(x+2)(x+3)+p=[x(x+3)][(x+1)(x+2)]+p=(x²+3x)(x²+3x+2)+p=[(x²+3x+1)-1][(x²+3x+1)+1]+p=(x²+3x+1)²-1+p要可以分解（...