Question

x(x-y)-y(y-x)因式分解

x（x-y）-y（y-x）2因式分解

Answer 1

x(x-y)-y(y-x)

=x(x-y)＋y(x－y)
=(x＋y)(x－y)

不懂的还可以追问！满意请及时采纳！ O(∩_∩)O

追问

x(x-y)-y(y-x)2

追答

x(x-y)-y(y-x)2

=x(x-y)-y(x－y)²
=(x－y)[x－y(x－y)]
=(x－y)(x－xy＋y²)

Answer 2

=x(x-y)＋y(x－y)
=(x＋y)(x－y)

希望能帮你忙，不懂请追问，懂了请采纳，谢谢

追问

x(x-y)-y(y-x)2

追答

=[(x-y(x-y)](x-y)
=(x-xy+y^2)(x-y)

Answer 3

xx-xy-yy+xy=x^2-y^2=(x+y)(x-y)

Answer 4

（x+y）*（x-y）