分解因式x2y-y

分解因式x3+y3-x2y-xy2x^3+y^3-x^2*y-x*y^2=x^3-x^2*y+y^3-x*y^2=x^2(x-y)+y^2(y-x)=x^2(x-y)-y^2(x-y)=(x^2-y^2)(x-y)=(x+y)(x-y)^2

x3-y3-x2y+xy2分解因式x³-y³-x²y+xy²=(x³-x²y)+(xy²-y³)=x²(x-y)+y²(x-y)=(x-y)

分解因式：x3+xy2－2x2yx³+xy²－2x²y=x(x²+y²-2xy)=x(x-y)²

分解因式x3-xy2+x2y-y3x3-xy2+x2y-y3=x(x^2-y^2)+y(x^2-y^2)=(x^2-y^2)(x+y)=(x+y)^2(x-y)x3-xy2+x2y-y3原式=(x^3+x^2y)-(xy^2+y^3)=x^

分解因式1)4x3+8x2-x-22)x3x2y-xy2-y33)x2y-xy2+2x-2y4)x2-4y2-x+2y分解因式1)4x3+8x2-x-22)x3x2y-xy2-y33)x2y-xy2+2x-2y4)x2-4y2-x+2y5)

先分解因式,再求值:2xy2-2x2y,其中x-y=3,xy=22xy²-2x²y=2xy(y-x)=-2xy(x-y)x-y=3xy=2代入原式=-2×2×3=-12=2xy（y-x）=2*2*（-3）=-12你好，原

分解因式:X3+2X2Y+2XY2+Y3=解x³+2x²y+2xy²+y³=(x³+y³)+(2x²y+2xy²)=(x+y)(x²-xy+y

4xy2-4x2y-y3怎么分解因式?次方不知道怎么打但是先提出一个y然后结果就是y(-2x+y)(2x-y)

【初中数学】分解因式x3-x2y+xy2-y3是X的立方减X平方乘y加X乘y的平方减y的立方求老师童鞋们帮帮忙~x³-x²y+xy²-y³=x²(x-y)+y²(x-y)=(x-y

数学因式分解题,求解答,急!分解因式x3+3x2y+3xy2+2y3分解因式x³-9ax²+27a²x-26a³分解因式a³+b³+3（a²+b²）+3（a+b

若代数式x3+y3+3x2y+axy2含有因式x-y,求a值.由于含有x-y的因式,因而当x=y时,代数式值为0,在代数式中,令x=y即x^3+x^3+3x^3+ax^3=0,从而a=-5

x3+y3--x2y--xy2分解因式在线等．3和2是指数!－－减号急,要过程x^3+y^3-x^2y-xy^2=x^2(x-y)-y^2(x-y)=(x^2-y^2)(x-y)=(x+y)(x-y)^2x3+y3--x2y--xy2=(x

1-6y+y²分解因式1-6y+y²＝y²－6y＋9－8＝﹙y－3﹚²－8＝﹙y－3－2√2﹚﹙y－3＋2√2﹚.

分解因式：y²-7y+12y²-7y+12=(y-4)(y-3)y²-7y+12=(y-3)(y-4)

y^2+2y+1分解因式(Y+1)的平方平方和公式

分解因式：y²-7y+12；y²-7y+12=(y-3)(y-4)

x^+y^分解因式初中数学很负责任的告诉你你的题错了

分解因式：x²+y-xy-x!x²+y-xy-x=﹙x²-xy﹚+﹙y-x﹚=x﹙x-y﹚-﹙x-y﹚=﹙x-y﹚﹙x-1﹚x²+y-xy-x=x²-xy+y-x=x(x-y)-(x-y)=

x^3-8y^3,分解因式x^3-8y^3运用立方差公式=（x-2y）（x²+2xy+4y²）x^3-8y^3=(x-2y)(x^2+2xy+4y^2)

分解因式：-x-2xy-y²你的题目打漏了. 应该是：：-x²-2xy-y² 原式=-（x²+2xy+y²）=（x+y）²