(3a+2b)-4(4x-y)^3-(2b+3a)+3(y-4x)^3合并同类项

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(3a+2b)-4(4x-y)^3-(2b+3a)+3(y-4x)^3合并同类项(3a+2b)-4(4x-y)^3-(2b+3a)+3(y-4x)^3合并同类项(3a+2b)-4(4x-y)^3-(2

(3a+2b)-4(4x-y)^3-(2b+3a)+3(y-4x)^3合并同类项
(3a+2b)-4(4x-y)^3-(2b+3a)+3(y-4x)^3合并同类项

(3a+2b)-4(4x-y)^3-(2b+3a)+3(y-4x)^3合并同类项
(3a+2b)-4(4x-y)^3-(2b+3a)+3(y-4x)^3
=(3a+2b)-(2b+3a)-4(4x-y)^3+3(y-4x)^3
=(3a+2b)-(3a+2b)-4(4x-y)^3-3(4x-y)^3
=-7(4x-y)^3

你自己算!!!

-7(4x-y)^3

(2x+y)(2x-3y)+x(2y+y) 2a(x-y)-4b(x-y) 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) (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 2x/x+y+2y/x+y a/a+b+b/a-b 1/3x²+2/4y-5/6xy解出来快 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 若-4x^a y+x^2 y^b=-3x^2 y,则a+b等于? (3x^/4y)^*2y/3y+x^2y^÷2y^/x 还有一个 (a+b/a-b)^*(2a-2b/3a+3b)-a^/a^-b^÷a/b 多项式因式分解,(1)y(x-y)+x(x-y) (2)y(x-y)+x(y-x)(3)a(x-y)^2-b(y-x)^2 (4)a(x-y)^3-b(y-x)^3(5)a^2b(a-b)-ab^2(a-b) 几道比例线段题目已知两实数a,b满足a^2-4ab+4b^=0,求(a+b)/a已知x/2=y/3,求(x-y)/y ,(x+y)/y ,(x+y)/(x-y) [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! 集合A={y/y=1-x-4/x},B={X/X^2-(3+a)X+3a 集合A={y|y=1-x-(4/x)},B={x|x^2-(3+a)x+3a 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) 化简(2x-3y)-3(4x-2y) a-(2a+b)+2(a-2b) 2(x-3y)-3(4x-2y) (1). (a+b)-(a+b)^2 (2).(y-x)^2-2(x-y) (3).2m(a-3)(1). (a+b)-(a+b)^2(2).(y-x)^2-2(x-y)(3).2m(a-3)+4(3-a)(4).4(y-x)^3-2(x-y)^2(5).(a+b)^2+2(b+a)(6).(a-b)^3-(b-a)^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) x^2(x-y)+(y-x)(x^2+y^2)^2-4x^2 y^22a^2b^3-4a^3b+8a^2b^24(a+b)^2-4(a+b)+1 1 (1/3a+b)(1/3a+b) 2 (2x-y)-2(x+2y) 3 (x-y+3)(x-y-3) 4 (-x+y)^21 (1/3a+b)(1/3a+b) 2 (2x-y)-2(x+2y) 3 (x-y+3)(x-y-3) 4 (-x+y)^2