(x+y)(x^2-xy+y^2)要因式分解全过程!可追加分!

(x+y)(x^2-xy+y^2)要因式分解全过程!可追加分! 289（x+y)^2-121(x-y)^2 要因式分解 x^2-4y^2 因式分解 -x^4+x^2y^2 两个都要因式分解 (-x-y)(x^2+xy+y^2) 化简x^-y^/x^-2xy+y^ 2*(x-y)²(y-x)(xy) （x^2+xy/x-y)/（xy/x-y)计算 x[x+y][x+y]-x[x-y]² 分解因式是多少?要步奏讲解.要因式分解 X-Y/2X+2Y XY/X+Y² 因式分解：x×x-xy-2y×y-x-y 因式分解:12xy^2(y-x)+xy^3(x-y)+4x^2y(x-y) (x-y)[(x+y)^2-xy]+(x-y)[(x-y)^2+xy] .(x+y-2)(x+y-2xy)+(xy-1)^2 (x^2-xy)y÷y-x/xy怎么做? 代数 x^-y^/ x^-(y-z)^ 除以 x^+2xy+y^/(x-y)^-z^ 乘 x^+xy-xz/x^-xy (x+y)/x /(x-(2xy-y^2)/x) 因式分解 x^2-xy/xy-y^2约分 (x+y)(x+y+2xy)+(xy+1)(xy-1)(x+y)(x-y)+4(y-1)