﹙x－y﹚a－x＋y 用分组分解法因式分解

分类: 作业答案 • 2022-02-28 14:27:56

问题描述：

答

原式=(x-y)a-(x-y) =(x-y)(a-1)

答

XA-YA-X+Y
x（a-1）+y（a-1)=（x+y)(a-1)

答

（x-y）a-x+y
=(x-y)a-(x-y)
=(x-y)(a-1)

答

原式=(x-y)a-(x-y)=(x-y)(a-1)

答

﹙x－y﹚a－x＋y
=(x-y)a-(x-y)
=(x-y)(a-1)