因式分解:x*x-xy-2y*y-x+5y-2
问题描述：
因式分解:x*x-xy-2y*y-x+5y-2
答
x*x-xy-2y*y-x+5y-2
=(x－2y)(x＋y)-x+5y-2
=(x－2y＋1)(x＋y－2)
x－2y 1
×
x＋y ﹣2
不懂的还可以追问！满意请及时采纳！ O(∩_∩)O
答
=(x-2y)(x+y)-x+5y-2
=(x-2y+1)(x+y-2)