3(x^2+y^2)^2-12x^2y^2因式分解
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3(x^2+y^2)^2-12x^2y^2因式分解3(x^2+y^2)^2-12x^2y^2因式分解3(x^2+y^2)^2-12x^2y^2因式分解3(x^2+y^2)^2-12x^2y^2=3[(
3(x^2+y^2)^2-12x^2y^2因式分解
3(x^2+y^2)^2-12x^2y^2因式分解
3(x^2+y^2)^2-12x^2y^2因式分解
3(x^2+y^2)^2-12x^2y^2=3[(x^2+y^2)^2-4x^2y^2]=3(x^2+y^2-2xy)(x^2+y^2+2xy)=3(x+y)^2(x-y)^2
=3(x²-y²)²
=3[(x²+y²)²-4x²y²]
=3[(x^4+2x²y²+y^4-4x²y²]
=3(x²-y²)²
3(x^2+y^2)^2-12x^2y^2
=3[(x²+y²)²-4x²y²]
=3[(x^4+2x²y²+y^4-4x²y²]
=3(x²-y²)²
=3(x-y)²(x+y)²
3(x^2+y^2)^2-12x^2y^2=3((x^2+y^2)^2-4x^2y^2)=3(x^2+y^2-2xy)(x^2+y^2+2xy)=3(x-y)^2(x+y)^2
x(x-y)2-(y-x)3
x-y/x-x+y/y-(x+y)(x-y)/y² y/x=2
[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
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
[(3x+y)(x-y)-(2x+3y)(x-y)]*(x-y)
12y(x-y)^2-8(x-y)^3=?
因式分解:12xy^2(y-x)+xy^3(x-y)+4x^2y(x-y)
[12(x+y)^3+3(x+y)(x-y)^2]÷6(x+y)
12（x+y）^3（y-x）/【4（x+y）^2(x-y)】
化简y(x+y)+(x+y)(x-y)-x^2
3x+y=2 -y/x+y=123x+y=2 （-y/x）+y=12
(x+y)(x-y)-(x-y)^2如题 (x+y)(x-y)-(x-y)^2
2X(2X-3Y)-3Y(X+Y)
(-2x y)^2-(3y-x)(-x-3y)