x^3-4x^2y+xy^2
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x^3-4x^2y+xy^2x^3-4x^2y+xy^2x^3-4x^2y+xy^2x^3-4x^2y+xy^2=x(x²-4xy+y²)=x(x²-4xy+4y&sup
x^3-4x^2y+xy^2
x^3-4x^2y+xy^2
x^3-4x^2y+xy^2
x^3-4x^2y+xy^2
=x(x²-4xy+y²)
=x(x²-4xy+4y²-3y²)
=x[(x-2y)²-3y²]
=x(x-2y+√3y)(x-2y-√3y)
因式分解:12xy^2(y-x)+xy^3(x-y)+4x^2y(x-y)
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]
（-3x^y+2xy)-( )=4x^+xy
化简2(x²y+xy)-3(x²y-xy)-4x²y
xy-2{xy-[3x^2y-(4xy^2+0.5xy)]+4x^2y}+6xy^2
（X-3xy+4xy-y）-[-2x-2（xy-3/2xy）-y]+6xy的过程
x^3y(-4y)^2+(-7xy)^2*(-xy)-5xy^3*(-3x)^2
5x^3y*(-3y)^2+(-6xy)^2*(-xy)+xy^3*(-4x^2)
3(x^2y+xy)-4(xy-2x^2y)-(-xy)
当x-y=2xy时,求4x-3xy-4y/xy
XY(XY+3)+(XY+4)+4(X+Y+1)-(X+Y+2)
3（x平方y+xy)-4(xy-2x平方y)-(xy)
化简：2x²y+{2xy-[3x²y-2(-3x²y+2xy)]-4xy}化简：2x²y+{2xy-[3x²y-2(-3x²y+2xy)]-4xy}
已知x-y=4xy,求2x+3xy-2y/x-2xy-y的值
x-y=4xy,试求2x+3xy-2y/x-2xy-y
已知x-y=4xy,求x-2xy-y分之2x+3xy-2y的值!
x-y=4xy,试求2x+3xy-2y/x-2xy-y