X(X-Y)(a-b)-Y(Y-x)(b-a)不明白它相互减的变化

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X(X-Y)(a-b)-Y(Y-x)(b-a)不明白它相互减的变化X(X-Y)(a-b)-Y(Y-x)(b-a)不明白它相互减的变化X(X-Y)(a-b)-Y(Y-x)(b-a)不明白它相互减的变化X

X(X-Y)(a-b)-Y(Y-x)(b-a)不明白它相互减的变化
X(X-Y)(a-b)-Y(Y-x)(b-a)
不明白它相互减的变化

X(X-Y)(a-b)-Y(Y-x)(b-a)不明白它相互减的变化
X(X-Y)(a-b)-Y(Y-x)(b-a)
=x(x-y)(a-b)+y(x-y)(b-a)
=x(x-y)(a-b)+y(x-y)(a-b)
=(x-y)(a-b)(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 (a-b)(x-y)-(b-a)(x+y)怎么算 (a+b)(x+y)-(a+b)(x-y)分解因式 (a-b)(x-y)-(b-a)(x+y)因式分解 (a+b)(x+y)-(b+a)(y-x)因式分解快 [a-b][x-y]-[b-a][x+y]的解法化简(x-y)(a+b)-(x-y)(a-b) (a-b)(x-y)+(b-a)(y-x) 分解因式：(a-b)(x-y)-(b-a)(x+y) (a-b)(x-y)-(b-a)(x y)如何解题 (a-b)(x-y)-(b-a)(x+y)