6x^2(x-y)-10y(y-x)^2-2(y-x) 因式分解
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6x^2(x-y)-10y(y-x)^2-2(y-x) 因式分解
6x^2(x-y)-10y(y-x)^2-2(y-x) 因式分解
6x^2(x-y)-10y(y-x)^2-2(y-x) 因式分解
6x^2(x-y)-10y(y-x)^2-2(y-x)
=6x^2(x-y)-10y(x-y)^2-2(x-y)
=2(x-y)[3x-5y(x-y)-1]
=2(x-y)(3x-5xy+5y^2-1)
【2(x-y)(x-y)(x-y)-8(x-y)(x-y)(x+y)+6y(x-y)(x-y)]/2(x-y)(x-y)
x-y/x-x+y/y-(x+y)(x-y)/y² y/x=2
6x^2(x-y)-10y(y-x)^2-2(y-x) 因式分解
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[2(x-y)^5-8(x-y)^2(x+y)+6y(x-y)^2]÷2(x-y)^2[2(x-y)^3-8(x-y)^2(x+y)+6y(x-y)^2]÷2(x-y)^2
3y/x*x-y*y+x/x*x-2xy+y*y+6y*y/x*x*x-x*x*y-xy*y+y*y*y等于多少?
因式分解3x^2(x-y)+6x(y-x)
【2(x-y)^3-8(x-y)^2(x+y)+6y(x-y)^2】/2(x-y)^2=
x^2(x-y)+(y-x)