分解公因式,4xy2-4x2y-y3,
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分解公因式,4xy2-4x2y-y3,
分解公因式,4xy2-4x2y-y3,
分解公因式,4xy2-4x2y-y3,
4xy²-4x²y-y³
=-y(4x²-4xy+y²)
=-y(2x-y)²
分解公因式:(X+2)(X+3)+X^2-9 (X+Y)^2-4XY (X+2)(X+3)+X^2-9 (X+Y)^2-4XY =X^2+3X+2X+6+X^2-
4xy2-4x2y-y3
=y(4xy-4x^2-y^2)
=-y(4x^2-4xy+y^2)
=-y(2x-y)^2
分解公因式,4xy2-4x2y-y3,
4xy2-4x2y-y3怎么分解因式?
4xy2-4x2y-y3因式分解
分解因式 x3+y3-x2y-xy2
x3-y3-x2y+xy2分解因式
分解因式x3-xy2+x2y-y3
(4xy2-2x2y)-( )=x3-2x2y+4xy2+y3.
4xy2-4x2y-y3 (2 3 是方)
3x2y+xy2-[2xy2-4x2y+(x2y-2xy2)]
x.y取何值时,代数(x3y+3x2y-5xy2+6y3)+(y3+2xy2+x2y-2x3)-(4x2y-x3-3xy2+7y3).y取何值时,代数(x3y+3x2y-5xy2+6y3)+(y3+2xy2+x2y-2x3)-(4x2y-x3-3xy2+7y3)的值都是常数?
试说明代数式(x3+3x2y-4xy2+6y3)-(2x3-x2y-xy2-y3-1)+(x34x2y+3xy2-7y3)的值与xy取值无关
分解因式(a-b)m2+(b-a)n2 4xy2-4x2y-y3分解因式(a-b)m2+(b-a)n2 4xy2-4x2y-y3
分解因式:X3+2X2Y+2XY2+Y3=
5xy2-【3xy2-(4xy2-2x2y)】+2x2y】+2x2y-xy2 化简,再求值
因式分解:x3-y3-x2y+xy2
x3+x2y-xy2-y3=
因式分解4xy2-4x2y-y3 得多少?其中2和3都是指数
试说明:无论x,y取何值时,代数式(x3+3x2y-5+6y3)+(y3+2xy2+x2y-2x3)-(4x2y-x3-3xy2+7y2)的值是常数.要具体过程,注意格式