2(x-y)(a-2b+3c)-3(x+y)(2b-a-3c)因式分解

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2(x-y)(a-2b+3c)-3(x+y)(2b-a-3c)因式分解2(x-y)(a-2b+3c)-3(x+y)(2b-a-3c)因式分解2(x-y)(a-2b+3c)-3(x+y)(2b-a-3c

2(x-y)(a-2b+3c)-3(x+y)(2b-a-3c)因式分解
2(x-y)(a-2b+3c)-3(x+y)(2b-a-3c)因式分解

2(x-y)(a-2b+3c)-3(x+y)(2b-a-3c)因式分解
2(x-y)(a-2b+3c)-3(x+y)(2b-a-3c)
=(a-2b+3c)(2x-2y+3x+3y)
=(a-2b+3c0(5x-y)
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2(x-y)(a-2b+3c)-3(x+y)(2b-a-3c)
=(a-2b+3c)(2x-2y+3x+3y)
=(a-2b+3c)(5x+y)

=2(x-y)(a-2b+3c)+3(x+y)(a-2b+3c)
=[2(x-y)+3(x+y)](a-2b+3c)
=(2x-2y+3x+3y)(a-2b+3c)
=(5x+y)(a-2b+3c)

a/x-y,b/3y-3x,c/x^2-2xy+y^2通分 p (1-p)3 (1+p)3 - p2 (p-1)2 (1+p)3 ;x (x-y)2 + x (x+y) (y-x) +2 (x-y) ;a (a-b-c) + b (b+c-a) + c (c-a+b) 几道 数学题急啊 对了再加20分(x+y)^2-(x+y)^3(x-y)^2-(x-y)^3 (x-y)^2-(y-x)^32(x-y)-3(y-x)^24ab(a+b)^2-6a^2b(a+b)(x+y)(x-y)-(x+y)^28a(x-y)^2-4b(y-x)a=-5 a+b+c=-5.2求代数式a^2(-b-c)-3.2a(c+b)的值 初一因式分解练习题,谁好心帮我解下表示平方1.2X~-3XY-X2.(X+Y)~(X+Y)(X-Y)(X+Y)(Y+Z)3.3X(a+2b)~-6XY(a+2b)4.a(x-y)-b(X-Y)-C(Y-X)5.(b-a)~-2a+2b6.(x-y)~-m(y-x)+y-x7.x(x-y)(a-b)-y(y-x)(b-a)8.已知a+b=13,ab=40,求 b+ab~的值 如果A={(x,y)|x,y+2>0},B={(x,y)|2x+3y-6>0},C={(x,y)|x-4 1.x(x-y)-(x-3)(x+3) 2.(a^2+b^2)(a+b)(a-b) 3.(a-2b+3c)(a+2b-3c) 4.(x+y-z)(x-y+z) 5.(x^8+y^8)(x^4+y^4)(x^2+y^2)(x+y)(x-y) 1、(x+y)-(x+y)^32、x(x-y)-y(y-x)3、(a-b)^2-4b+4a4、a^n+1+a^n+a^n-15、x(x+y)(x-y)-x(x+y)^26、已知a+c-7=0,求(a+b)^2-2a(b-c)-2b(b-c)+(c-b)^2的值7、x^2-8y^2(x^2-2y^2) 已知有理数A,B,X,Y满足A+B ≠0,且(A+B):(A-B)=(2X+Y):(X-y) 那么A:(A+B)=?A.3X:(2X+Y) B.3X:(4X+2Y)C.X:(X+Y)D.2X:(2X+Y) 设A={(x,y)}|3x+2y|.设A={(x,y)}|3x+2y|.B={(x,y)|x-y=2|},C={(x,y)|2x-2y|=3},D={(x,y)|6x+4y=2|},求A∩B,B∩C,A∩D设A={(x,y)|3x+2y=1}.B={(x,y)|x-y=2},C={(x,y)|2x-2y=3},D={(x,y)|6x+4y=2},求A∩B,B∩C,A∩D 2a(b-c)²-3b+3c,x(a-x)(a-y)-y(x-a)(y-a)的各式因式分解 (x+y)^2-z^=a^2-(b-c)^2=(x-y)^3-x+y=16(x+y)^2-25(x-y)^2= 设集合A={x|x=y^2-2y-8},B={x|y=-x^2+2x+3},C={y|y+1 x-y)(a-2b+3c)-3(y-x)(2b-a-3c) 因式分解x-y)(a-2b+3c)-3(y-x)(2b-a-3c)分解因式 a(x-y)(x+y)-b(y-x)(x+y)-c(x-y)^2(y+x)提取公因式 已知有理数A,B,X,Y满足A+B ≠0,且(A+B):(A-B)=(2X+Y):(X-y) 那么A:(A+B)=?A. 3X:(2X+Y) B. 3X:(4X+2Y)C. X:(X+Y)D. 2X: (2X+Y0麻烦带上解题过程...谢谢 2(x-y)(a-2b+3c)-3(x+y)(2b-a-3c)因式分解 因式分解2(x+y)(a-2b+3c)-3(x+y)(2b-a-3c) 计算:(3x+2y)²-(3x-2y)² (2a+b-c)(2a-b-c)