a(x-y)(x+y)-b(y-x)(x+y)-c(x-y)^2(y+x)提取公因式
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a(x-y)(x+y)-b(y-x)(x+y)-c(x-y)^2(y+x)提取公因式a(x-y)(x+y)-b(y-x)(x+y)-c(x-y)^2(y+x)提取公因式a(x-y)(x+y)-b(y-
a(x-y)(x+y)-b(y-x)(x+y)-c(x-y)^2(y+x)提取公因式
a(x-y)(x+y)-b(y-x)(x+y)-c(x-y)^2(y+x)提取公因式
a(x-y)(x+y)-b(y-x)(x+y)-c(x-y)^2(y+x)提取公因式
原式=(x^2-y^2)a-(x^2-y^2)b-(x^2-y^2)(x-y)c
=(x^2-y^2)(a-b-cx-cy)
=(x+y)(x-y)(a-b-cx-cy)
a(x-y)(x+y)-b(y-x)(x+y)-c(x-y)^2(y+x)
a(x-y)(x+y)+b(x-y)(x+y)-c(x-y)(x-y)(x+y)
(x-y)(x+y)(a+b-c(x-y))
(x+y)-(a-b)(x+y)因式分解
因式分解 a(y-x)-b(x-y)
(5)a(x+y)-b(x+y)-x-y因式分解
通分:-x/a(x-y) ,y/b(y-x)
通分x/a(x-y),y/b(y-x)
通分 a/(y-x)^2,b/(x-y)(x+y)
因式分解a(x-y)+b(y-x)+(2x-y)
a(x-y)(x+y)-b(y-x)(x+y)-c(x-y)^2(y+x)提取公因式
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