x+y-1=xy/(x+y-xy)怎么因式分解

来源:学生作业帮助网 编辑:六六作业网 时间:2024/10/05 23:46:19
x+y-1=xy/(x+y-xy)怎么因式分解x+y-1=xy/(x+y-xy)怎么因式分解x+y-1=xy/(x+y-xy)怎么因式分解x+y-1=xy/(x+y-xy)(x+y-1)(x+y-xy

x+y-1=xy/(x+y-xy)怎么因式分解
x+y-1=xy/(x+y-xy)怎么因式分解

x+y-1=xy/(x+y-xy)怎么因式分解
x+y-1=xy/(x+y-xy)
(x+y-1)(x+y-xy)=xy
(x+y)²-(xy+1)(x+y)+xy=xy
(x+y)²-(xy+1)(x+y)=0
(x+y)[(x+y)-(xy+1)]=0
(x+y)(x+y-xy-1)=0