因式分解:1,2a²-4a+2={ } 2,{a+2}{a-2}+3a={ }
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/04 22:31:21
![因式分解:1,2a²-4a+2={ } 2,{a+2}{a-2}+3a={ }](/uploads/image/z/1333767-39-7.jpg?t=%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%EF%BC%9A1%2C2a%26%23178%3B-4a%2B2%3D%7B+%7D+2%2C%7Ba%2B2%7D%7Ba-2%7D%2B3a%3D%7B+%7D)
因式分解:1,2a²-4a+2={ } 2,{a+2}{a-2}+3a={ }
因式分解:1,2a²-4a+2={ } 2,{a+2}{a-2}+3a={ }
因式分解:1,2a²-4a+2={ } 2,{a+2}{a-2}+3a={ }
1,2a²-4a+2=2(a-1)²
2,{a+2}{a-2}+3a
=a²-4+3a
=a²+3a-4
=(a-1)(a+4)