9a(x-y)+4b(y-x)化简

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9a(x-y)+4b(y-x)化简
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9a(x-y)+4b(y-x)化简
9a(x-y)+4b(y-x)化简

9a(x-y)+4b(y-x)化简
(x-y)(3a+2b)(3a-2b)

化简 2x-[3y-5x-(-2x-7y)]等于 ( ) A:-7x+10y B:5x+4y C:-x-4y D:9x-10y 8a(x-y)平方-4b(y-x) 9a(x-y)+4b(y-x)化简 (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& 因式分解,(a-b)(x-y)-(b-a)(x-y)(a-b)(x-y)-(b-a)(x+y) 计算:(a-b)(x-y)-(b-a)(x+y) 4+12(x-y)+9(x-y)² (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 (2a+b)(2a-3b)+3a(2a+b)和x(x+y)(x-y)-x(x+y)²4a(x+y)-6x-6y和啊a(a-b)-ab+b² [1]a(x-2y)-b(2y-x)+d(2x-4y) [2]x平方-2xy+y平方-2x+2y+1 【3】一(a-x)(a-y)-x(y-a)(X-a)[1]a(x-2y)-b(2y-x)+d(2x-4y) [2]x平方-2xy+y平方-2x+2y+1【3】一(a-x)(a-y)-x(y-a)(X-a) 分解因式,急求! 如果A={(x,y)|x,y+2>0},B={(x,y)|2x+3y-6>0},C={(x,y)|x-4 化简3x^2y+(2x-5x^2y)还有2x-(2-5x),a-(2a-3b)+(3a-4b),8x+2y+2(5x-2y) (x^2-y^2)-4(2x^2-3y^2),-4(x+y)+3[2/3x-2y]+1 如何解因式分解x(x-y)(a-b)-y(y-x)(b-a) 分解因式(1) 25X^2-16Y^2 (2) (A-B)(X-Y)-(B-A)(X+Y) (3)A^2-4AB+4B^2 (4)4+12(X-Y)+9(X-Y)^2 因式分解:9a²(x-y)+4b²(y-x) 和 (x+y)²+2(x+y)+1 最好说下过程哈. 因式分解:9a²(x-y)+4b²(y-x) ,(x+y)²+2(x+y)+1 通分x/a(x-y),y/b(y-x) 通分 a/(y-x)的平方,b/(x-y)*(x+y) 9a²(x-y) +4b²(y-x) (1)x-y/x-2y÷x^2-y^2/x^2-4xy+4y^2(2)3a/a+b - 3b/a+b(3)x+3/x^2-9 + 3/x-3(4)x^2/x+y - x+y(5)(a^2/a-3 + 9/3-a)÷a+3/a