[(x+y)^2-y(2x+y)-8x]÷2x,其中x+-2

【2(x-y)(x-y)(x-y)-8(x-y)(x-y)(x+y)+6y(x-y)(x-y)]/2(x-y)(x-y) x-y/x-x+y/y-(x+y)(x-y)/y² y/x=2 化简y(x+y)+(x+y)(x-y)-x^2 (x+y)(x-y)-(x-y)^2如题 (x+y)(x-y)-(x-y)^2 因式分解x(x+y)(x-y)-x(x+y)^2 (x-y)²-8(x-y-2) 16-8（x-y)+(x-y)2 -8(y-x)^2×(x-y) [(x-y)^2-(x+2y)(x-2y)]/y (2x+y)²+(x+3y)(x-3y)-x(5x+8y)因式分解 计算:y-x分之x+y+x-y分之y-y-x分之2x-y [2(x-y)^5-8(x-y)^2(x+y)+6y(x-y)^2]÷2(x-y)^2[2(x-y)^3-8(x-y)^2(x+y)+6y(x-y)^2]÷2(x-y)^2 【2(x-y)^3-8(x-y)^2(x+y)+6y(x-y)^2】/2(x-y)^2= x^2(x-y)+(y-x) x(x-y)2-(y-x)3 【(x-y)^2+(x+y)(x-y)】除以 2x [(x-y)²+(x+y)(x-y)]除以2x 2x/(x-8y)(x+8y)-(x+8y)/ (x-8y)(x+8y)怎麼计算了 详细