1-2xy-x²-y² 因式分解
来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/29 07:20:53
1-2xy-x²-y²因式分解1-2xy-x²-y²因式分解1-2xy-x²-y²因式分解1-2xy-x²-y²=1-(
1-2xy-x²-y² 因式分解
1-2xy-x²-y² 因式分解
1-2xy-x²-y² 因式分解
1-2xy-x²-y²
=1-(x²+2xy+y²)
=1-(x+y)²
=(1+x+y)(1-x-y)
1-2xy-x²-y²
=1-(x+y)²
=(1+x+y)(1-x-y)
不懂可追问,有帮助请采纳,谢谢!
1-2xy-x²-y²
=1-(x²+2xy+y²)
=1-(x+y)²
=(1+x+y)(1-x-y)
1-(x+y)^2