4a^2x-4a^2y-b^2x+b^y如题

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4a^2x-4a^2y-b^2x+b^y如题4a^2x-4a^2y-b^2x+b^y如题4a^2x-4a^2y-b^2x+b^y如题4a^2x-4a^2y-b^2x+b^y=4a^2(x-y)-b^2

4a^2x-4a^2y-b^2x+b^y如题
4a^2x-4a^2y-b^2x+b^y
如题

4a^2x-4a^2y-b^2x+b^y如题
4a^2x-4a^2y-b^2x+b^y
=4a^2(x-y)-b^2(x-y)
=(4a^2-b^2)(x-y)
=(2a+b)(2a-b)(x-y)

4a²x-4a²y-b²x+b²y =4a²(x-y)-b²(x-y) =(4a²-b²)(x-y) =(2a-b)(2a+b)(x-y)

4a^2x-4a^2y-b^2x+b^2y =4a^2(x-y)-b^2(x-y) =(4a^2-b^2)(x-y) =(2a+b)(2a-b)(x-y)

(2x+y)(2x-3y)+x(2y+y) 2a(x-y)-4b(x-y) 因式分解:4a(x-y)-2b(x-y) 4a(x-y)-2b(y-x) 4a(x-y)-2b(y-x) 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)(4a²+b²)(b+a) (2x-y)²-4(x-y)(x+2y) 通分 a/(y-x)^2,b/(x-y)(x+y) 因式分解a(x-y)+b(y-x)+(2x-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 (x+y)(a-2b) 2x(a-b)-4y(b-a )因式分解 4a[x-y]的平方-2b【Y--X】的平方+[y-X]求过程 4a(x-y)二次方-2b(y-x)二次方+(y-x)= 计算下面的题(过程)(a-b)(-a-b)(x-y)(y+x)^2(x-y+z)^2(x^2+y^2)(x^4+y^4) 4a^2x-4a^2y-b^2x+b^y如题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 2x/x+y+2y/x+y a/a+b+b/a-b 1/3x²+2/4y-5/6xy解出来快 4（a+b)^2(x-y)+9(a-b)^2(y-x)怎么算