x(x-2)(x^2-2x-2)-3 yin shi fen jie
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x(x-2)(x^2-2x-2)-3yinshifenjiex(x-2)(x^2-2x-2)-3yinshifenjiex(x-2)(x^2-2x-2)-3yinshifenjie=(x²-
x(x-2)(x^2-2x-2)-3 yin shi fen jie
x(x-2)(x^2-2x-2)-3 yin shi fen jie
x(x-2)(x^2-2x-2)-3 yin shi fen jie
=(x²-2x)(x²-2x-2)-3
=(x²-2x)²-2(x²-2x)-3
=(x²-2x+1)(x²-2x-3)
=(x-1)²(x-3)(x+1)
[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
x(x-y)2-(y-x)3
化简 3x(x^2-x-1)-(x+1)(3x^-x) X^3(x-y)+x(y-x)
因式分解x(x+y)(x-y)-x(x+y)^2
3^x+2x=y,x
因式分解3x^2(x-y)+6x(y-x)
化简y(x+y)+(x+y)(x-y)-x^2
x-y/x-x+y/y-(x+y)(x-y)/y² y/x=2
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)
x^2(x-y)+(y-x)
计算：1-2x+x^2/x-x^3*xy+x^2y/x-x^2
(x+y)(x-y)-(x-y)^2如题 (x+y)(x-y)-(x-y)^2
[x(x^2y^2-xy)-y(x^2-x^3y)]/(2x^2y)