2a(a-3)²-6a²(3-a)+8a(a-3)
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/07 16:08:41
2a(a-3)²-6a²(3-a)+8a(a-3)
![2a(a-3)²-6a²(3-a)+8a(a-3)](/uploads/image/z/18385803-27-3.jpg?t=2a%28a-3%29%26sup2%3B-6a%26sup2%3B%283-a%29%2B8a%28a-3%29)
2a(a-3)²-6a²(3-a)+8a(a-3)
=2a(a-3)²+6a²(a-3)+8a(a-3)
=2a(a-3)[(a-3)+3a+4]
=2a(a-3)(4a+1)
=2a(a-3)²+6a²(a-3)+8a(a-3)
=2a(a-3)[(a-3)+3a+4]
=2a(a-3)(4a+1)
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