x^4+x^3y+x^2*y^2+y^3x+y^4分解因式
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x^4+x^3y+x^2*y^2+y^3x+y^4分解因式x^4+x^3y+x^2*y^2+y^3x+y^4分解因式x^4+x^3y+x^2*y^2+y^3x+y^4分解因式x^4+x^3y+x^2*
x^4+x^3y+x^2*y^2+y^3x+y^4分解因式
x^4+x^3y+x^2*y^2+y^3x+y^4分解因式
x^4+x^3y+x^2*y^2+y^3x+y^4分解因式
x^4+x^3y+x^2*y^2+y^3x+y^4
= x^4+y^4+2x^2y^2+x^3y+y^3x-x^2*y^2
= (x^2+y^2)^2+xy(x^2+y^2)-x^2y^2
= (x^2+y^2+0.5(1+根号5）xy）×(x^2+y^2+0.5(1-根号5）xy）
(x-y) (x-2y)+(x+2y) (x-3y)-2(x-3y) (x-4y)=
(x+3y-4)(2x-y)
计算（2x-3y)(x+4y)-(3x+y)(x-2y)（2x-3y)(x+4y)-(3x+y)(x-2y)
因式分解(x-2y)(x-3y)+(x-4y)(x-5y)+（x-3y)(x-5y)+(x-2y)(x-4y)
x(x-y)2-(y-x)3
x²/xy-x/y 3x/4x+y - x-2y/4x+y (1-y/y+x)÷x/y²-x²
(2x+y)(2x-3y)+x(2y+y) 2a(x-y)-4b(x-y)
[2/3x-2/x+y(x+y/3x-x-y)]/x-y/x
化简：{2/3x-2/(x+y)[(x+y)/3x-x-y]}/(x+y)/x
计算2/3x-2/x+y(x+y/3x-x-y)/x-y/x
化简3x-2/(x+y)[(x+y)/3x-x-y]÷(x-y)/x
[(3x+y)(x-y)-(2x+3y)(x-y)]*(x-y)
计算：x+2y/x-y+2x/y-x-3y/x-y
化简:(x-3y)(x+y)-(x-2y)(x+2y)-(x-y)平方
(2x-y)(2x+y)-2(3x-4y)(4y+3x)
(3x-y)(y+3x)-2(4x-3y)(4x+3y)
x^4+x^3y+x^2*y^2+y^3x+y^4分解因式
(x-3y)(y+2x)-(4y-3x)(3x+4y)计算