x^2-y^2 x^2-2xy+y^2的公因式是 因式分解：-10x^3-6x^2+2x=m(a-b)^3+n(b-a)^2=4x^2-9y^2=(a+b)^2-4(a-b)^2=(a-b)(a^2-ab+b^2)-ab(b-a)=(a-b)(a^2-ab+b^2)+ab(b-a)=(a+b)^2-81(a-b)^2=-a^2-18a-81=-1+81x^4=因式分解(这三到要过程）x(x+y)(x-y)-x(x

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x^2-y^2x^2-2xy+y^2的公因式是因式分解：-10x^3-6x^2+2x=m(a-b)^3+n(b-a)^2=4x^2-9y^2=(a+b)^2-4(a-b)^2=(a-b)(a^2-ab

x^2-y^2 x^2-2xy+y^2的公因式是 因式分解：-10x^3-6x^2+2x=m(a-b)^3+n(b-a)^2=4x^2-9y^2=(a+b)^2-4(a-b)^2=(a-b)(a^2-ab+b^2)-ab(b-a)=(a-b)(a^2-ab+b^2)+ab(b-a)=(a+b)^2-81(a-b)^2=-a^2-18a-81=-1+81x^4=因式分解(这三到要过程）x(x+y)(x-y)-x(x
x^2-y^2 x^2-2xy+y^2的公因式是
因式分解：
-10x^3-6x^2+2x=
m(a-b)^3+n(b-a)^2=
4x^2-9y^2=
(a+b)^2-4(a-b)^2=
(a-b)(a^2-ab+b^2)-ab(b-a)=
(a-b)(a^2-ab+b^2)+ab(b-a)=
(a+b)^2-81(a-b)^2=
-a^2-18a-81=
-1+81x^4=
因式分解(这三到要过程）
x(x+y)(x-y)-x(x+y)^2=
(2m+3n)(2m-n)-n(2m-n)=
-16x^2+36=
上面的不要过程,就这三道要

x^2-y^2 x^2-2xy+y^2的公因式是 因式分解：-10x^3-6x^2+2x=m(a-b)^3+n(b-a)^2=4x^2-9y^2=(a+b)^2-4(a-b)^2=(a-b)(a^2-ab+b^2)-ab(b-a)=(a-b)(a^2-ab+b^2)+ab(b-a)=(a+b)^2-81(a-b)^2=-a^2-18a-81=-1+81x^4=因式分解(这三到要过程）x(x+y)(x-y)-x(x
x(x+y)(x-y)-x(x+y)^2=x(x+y)(x-y+x+y)=x(x+y)2x=2x^2(x+y)
(2m+3n)(2m-n)-n(2m-n)=(2m-n)(2m+3n-n)=2(m+n)(2m-n)
-16x^2+36=-4(4x^2-9)=-4(2x+3)(2x-3)

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