[a+b]^2-9 2x^2-8y^2 因式分解

通分 a/(y-x)^2,b/(x-y)(x+y) 因式分解a(x-y)+b(y-x)+(2x-y) （x-A）*(B-y)=x^2-9xy+8y^2,求A,B (x+y)(a-2b) 因式分解：a(x-y)^2+b(y-x)^3 4(x-y)^2+8(y-x)(x+y)1.a(x-y)^2+b(y-x)^3 2.4(x-y)^2+8(y-x)(x+y) （x+y)²+2（y-x） 因式分解 怎么弄 我这还有几道题（x+y)²-(x+y)(x-z)+(x+y)(y+z)X(X-a)(x-b)-y(a-x)(b-x)x(x+y)(x-y)-x(x+y)²（2a+b)(2a-3b)-3b(2a+b)(a+b)²-9(a-b)²(a²+b²)²-a²b²9（x-y）-y& (1)(x+y)^2-(x+y)^3(2)(x-y)-(x-y)^3(3)(x-y)^2-(y-x)^3(4)2(x-y)-3(y-x)^2(5)4ab(a=b)^2-6a^2b(a+b)(6)(x+y)^2(x-y)+(x+y)(x-y)^2(7)2a(a-3)^2-6a^2(3-a)+8a(a-3)(8)24xy^2z^2(x+y-z)-32xyz(z-x-y)^2+8xy(z-x-y)(9)(a-b)(b-a)^n(b-a)^2n-1 [两解）（10）2^2=3,2^b 9x^2(a-b)+y^2（b-a） 几道初二的因式分解,急用的.(a-b)(x-y)-(b-a)(x+y).(a-b)(a^2+9)-6x(b-a)x^2(x-y)+(y-x)(x^2-y^2)^2-8(x^2+y^2)4+12(x-y)+9(x-y)^2 a+2a= 8b-b= y+9y= x+7x-4x= 因式分解：(x+y)^3(x-y)-(x+y)(x-y)^3,9x^2-16(a+b)^2 a(x-y)(x+y)-b(y-x)(x+y)-c(x-y)^2(y+x)提取公因式 (a-b)(a^2+b^2)(a+b)[(x-y)^2-(x-y)(x+y)]/(2y) 4（a+b)^2(x-y)+9(a-b)^2(y-x)怎么算 (2x+y)(2x-3y)+x(2y+y) 2a(x-y)-4b(x-y) 因式分解 a^2(x-y)+b^2(y-x) a(x-3)(y-2)+b(3-x)(2-y) a³2（x+y)-b²(x+y) 因式分解