x^2-5x+33x^2+4xy-y^2(x^2-2x)^2-7(x^2-2x)+12x^2+x-(a^2-a)a/2-32a^4(c^2+ab)^2-(a+b)^2*c^24(x-y+1)+y(y-2x)因式分解下..最好能讲下技巧思路,.

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x^2-5x+33x^2+4xy-y^2(x^2-2x)^2-7(x^2-2x)+12x^2+x-(a^2-a)a/2-32a^4(c^2+ab)^2-(a+b)^2*c^24(x-y+1)+y(y-

x^2-5x+33x^2+4xy-y^2(x^2-2x)^2-7(x^2-2x)+12x^2+x-(a^2-a)a/2-32a^4(c^2+ab)^2-(a+b)^2*c^24(x-y+1)+y(y-2x)因式分解下..最好能讲下技巧思路,.
x^2-5x+3
3x^2+4xy-y^2
(x^2-2x)^2-7(x^2-2x)+12
x^2+x-(a^2-a)
a/2-32a^4
(c^2+ab)^2-(a+b)^2*c^2
4(x-y+1)+y(y-2x)
因式分解下..最好能讲下技巧思路,.

x^2-5x+33x^2+4xy-y^2(x^2-2x)^2-7(x^2-2x)+12x^2+x-(a^2-a)a/2-32a^4(c^2+ab)^2-(a+b)^2*c^24(x-y+1)+y(y-2x)因式分解下..最好能讲下技巧思路,.
汗,
1.(x-4)(x-1)-1 十字交叉凑凑
3.(x^2-2x-3)(x^2-2x-4)
7.先全拆开y^2 ,-4y +4 一类
4x -2xy 一类
所以就(2-y)^2+2x(2-y)

因式分解 x-xy+3y-3x 2x+xy-y-4x+5y-6 化简：3x^2-[5xy-(x^y-3xy)+4x^2y-8xy] 因式分解:12xy^2(y-x)+xy^3(x-y)+4x^2y(x-y) (4x^2+5xy-7x)-(5x^2y+4xy+x) 2X^+XY-Y^-4X+5Y-6 2x^+xy-y^-4x+5y-6=? x^3y(-4y)^2+(-7xy)^2*(-xy)-5xy^3*(-3x)^2 5x^3y*(-3y)^2+(-6xy)^2*(-xy)+xy^3*(-4x^2) 求（3x^+y^-5xy）-【2x^-（-4xy-y^+7x^）】=? 求（3x^+y^-5xy）-【2x^-（-4xy-y^+7x^）】=? x²-y²+5x+3y+4（x+y-2xy)(x+y-z)+(xy-1）² (x^-4y^)/(x^+2xy+y^)/(x+2y)/(2x^+2xy) （x^2+xy/x-y)/（xy/x-y)计算若(x*x+y*y)(x*x+y*y)-4x*x*y*y=0,求代数式(x*x+5xy+y*y)/(x*x+2xy+y*y)的值 2x(x-y)+4xy(y-x) 因式分解2x(x-y)+4xy(y-x) 因式分解 (x+y)(x+y+2xy)+(xy+1)(xy-1)(x+y)(x-y)+4(y-1) 已知x-y=3xy,求5x+2xy-5y/x-4xy-y的值已知X+Y=2XY,求4X-5XY+4Y 除以X+XY+Y 的值