x^5+y^5-(x^4y+xy^4)
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x^5+y^5-(x^4y+xy^4)x^5+y^5-(x^4y+xy^4)x^5+y^5-(x^4y+xy^4)x^5+y^5-(x^4y+xy^4)=(x^5－x⁴y)－(xyS
x^5+y^5-(x^4y+xy^4)
x^5+y^5-(x^4y+xy^4)
x^5+y^5-(x^4y+xy^4)
x^5+y^5-(x^4y+xy^4)
=(x^5－x⁴y)－(xy⁴－y^5)
=x⁴(x－y)－y⁴(x－y)
=(x⁴－y⁴)(x－y)
=(x²＋y²)(x²－y²)(x－y)
=(x＋y)(x－y)²(x²＋y²)
因式分解 x-xy+3y-3x 2x+xy-y-4x+5y-6
化简：3x^2-[5xy-(x^y-3xy)+4x^2y-8xy]
化简3（x²y+xy)-4(x²y-xy)-5x²y,
分解因式 x(x-y)^5+xy(y-x)^4-x^3(x-y)3
x^5+y^5-(x^4y+xy^4)
2X^+XY-Y^-4X+5Y-6
2x^+xy-y^-4x+5y-6=?
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