作业帮2a³-4a²b+2ab²
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/04 09:05:19
2a³-4a²b+2ab²
2a³-4a²b+2ab²
2a³-4a²b+2ab²
2a³-4a²b+2ab²
＝2a(a²-2ab+b²)
=2a(a-b)²
原式=2a(a²-2ab+b²)
=2a(a-b)²
2a³-4a²b+2ab²
=2a(a-b)²
2a -4a b+2ab = 2a?a -2ab+b ? =2a?a-b? 2a(a -2a+b ) =2a(a-b) =2a(a -2a+b ) =2a(a-b) 1