作业帮-4a²-[5a-8a²-3(2a²-a)+9a²]求化简-4a²-[5a-8a²-3(2a²-a)+9a²]写出化简的过程
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/09 06:28:35
![-4a²-[5a-8a²-3(2a²-a)+9a²]求化简-4a²-[5a-8a²-3(2a²-a)+9a²]写出化简的过程](/uploads/image/z/379721-65-1.jpg?t=-4a%26%23178%3B-%5B5a-8a%26%23178%3B-3%282a%26%23178%3B-a%29%2B9a%26%23178%3B%5D%E6%B1%82%E5%8C%96%E7%AE%80-4a%26%23178%3B-%5B5a-8a%26%23178%3B-3%282a%26%23178%3B-a%29%2B9a%26%23178%3B%5D%E5%86%99%E5%87%BA%E5%8C%96%E7%AE%80%E7%9A%84%E8%BF%87%E7%A8%8B)
-4a²-[5a-8a²-3(2a²-a)+9a²]求化简-4a²-[5a-8a²-3(2a²-a)+9a²]写出化简的过程
-4a²-[5a-8a²-3(2a²-a)+9a²]求化简
-4a²-[5a-8a²-3(2a²-a)+9a²]
写出化简的过程
-4a²-[5a-8a²-3(2a²-a)+9a²]求化简-4a²-[5a-8a²-3(2a²-a)+9a²]写出化简的过程
原式=-4a²-(5a-8a²-6a²+3a+9a²)
=-4a²-(8a-5a²)
=-4a²-8a+5a²
=a²-8a