(2x+y)^2-8y(2x+y)+16y^2 因式分解

【2(x-y)(x-y)(x-y)-8(x-y)(x-y)(x+y)+6y(x-y)(x-y)]/2(x-y)(x-y) 16-8（x-y)+(x-y)2 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 (x+y)^2-16(x-y)^2 (x+y)^2-16(x-y)^2 [(x-y)^2-(x+2y)(x-2y)]/y (x-y)²-8(x-y-2) -8(y-x)^2×(x-y) 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 因式分解x(x+y)(x-y)-x(x+y)^2 【2(x-y)^3-8(x-y)^2(x+y)+6y(x-y)^2】/2(x-y)^2= (2x+y)²+(x+3y)(x-3y)-x(5x+8y)因式分解 化简：[(x+y)(x-y)(x+y)^2-2y(x-2y)](-2y) 谢谢! 计算：[(x+y)(x-y)-(x-y)^2+2y(x-y)]/(-2y) [(-x-y)(-x+y)-(x+y)^2-x(y-y^2)}÷1/2y