因式分解(a²+3a²)²-8(a²+3a)-20
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/13 12:46:25
![因式分解(a²+3a²)²-8(a²+3a)-20](/uploads/image/z/1811370-66-0.jpg?t=%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%28a%26%23178%3B%2B3a%26%23178%3B%29%26%23178%3B-8%28a%26%23178%3B%2B3a%29-20)
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因式分解(a²+3a²)²-8(a²+3a)-20
因式分解(a²+3a²)²-8(a²+3a)-20
因式分解(a²+3a²)²-8(a²+3a)-20
原式=(a²+3a-10)(a²+3a+2)
=(a+5)(a-2)(a+1)(a+2)