10a(x-y)-5b(y-x)(x-y)的平方
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10a(x-y)-5b(y-x)(x-y)的平方
10a(x-y)-5b(y-x)
(x-y)的平方
10a(x-y)-5b(y-x)(x-y)的平方
10a(x-y)-5b(y-x)
=10a(x-y)+5b(x-y)
=5(x-y)(2a+5b);
(x-y)^2
=x^2-2xy+y^2.
(5)a(x+y)-b(x+y)-x-y因式分解
因式分解:10a(x-y)^2-5b(y-x)
(x+y)-(a-b)(x+y)因式分解
因式分解 a(y-x)-b(x-y)
10a(x-y)-5b(y-x)(x-y)的平方
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)
10a(x-y)²-5b(y-x)x-(a-x)(a-y)-y(x-a)(y-a)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
A.(x+y)(x-y) B.(x-y)(-x-y) C.(-x+y)(x+y) D.(x+y)(-x-y)可以用完全平方公式计算的是?
(2x+y)(2x-3y)+x(2y+y) 2a(x-y)-4b(x-y)
10a(x-y)平方-5b(y-x) x(a-x)(a-y)-y(x-a)(y-a) ab(a-b)-a(b-b)ab(a-b)-a(b-b) x(a-x)(a-y)-y(x-a)(y-a 分解因式
10a(x-y)²-5a(y-x) 因式分解
10a(x-y)^2+5a(x-y)
5a(x-y)^2+10a(y-x)^3
(-x+y)(y²+x²)再乘以( )就等于x`4-y`4 A.X-Y B.X+Y C.-X+Y D.-X-YA.X-Y B.X+Y C.-X+Y D.-X-Y`表示次方