1、ax+by+ay+bx2、x^3+13、x^2+x^34、x^2+x^3-25、x^2-6x+86、x^2-12x+357、(x^3-1)+(x-1)(6x+11)8、x^4-19、x^4+410、b^2+ab+ac+bc11、x^3+y^3+z^3-3xyz12、x^6+8x^3+913、x^2-100x+9914、x^2-x-y^2-y15、7x^2-19x-616、8x^2-6x-917、x+1)(x+2)-1218、x^2+(p+q)x+pq19、3x^3-6x^2+320、a^2(x－2a)^2－a(x－2a)^2扩展资料答案：1.(a+b)(x+y)2.(x+1)(x^2-x+1)3.x^2*(x+1)4.(x-1)(x^2-2x+2)5.(x-2)(x-4)6.(x-5)(x-7)7.(x-1)(x+3)(x+4)8.(x^2+1)(x-1)(x+1)9.(x^2-2x+2)(x^2+2x+x)10.(b+c)(b+a)11.(x+y+z)(x^2+y^2+z^2-xy-yz-xz)12.(x+1)(x^2-x+1)(x+2)(x^2-2x+4)13.(x-99)(x-1)14.(x+y)(x-y-1)15.(7x+2)(x-3)16.(2x-3)(4x+3)17.(x+5)(x-2)18.(x+p)(x+q)19.(x-1)(x^2-x-1)20.a(a-1)(x－2a)^2
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