1 x^2+(ac+b^2)x+ab^2c 答案：(x+ac)(x+b^2)2 x^3+6x^2+11x+6 答案：(x+1)(x+2)(x+3)3 6x^2+xy-y^2+2x+6y-8 答案：(3x-y+4)(2x+y-2)4 4x^4+1 答案：(2x^2+1+2x)(2x^2+1-2x)5 y^4-27y^2+1 答案：(y^2+5x-1)(y^2-5y-1)...