作业帮化简:[-b+根号(b²-4ac)]/2a+[-b-根号(b²-4ac)]/2a (b²≥4ac)
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/02 09:52:19
![化简:[-b+根号(b²-4ac)]/2a+[-b-根号(b²-4ac)]/2a (b²≥4ac)](/uploads/image/z/6968139-51-9.jpg?t=%E5%8C%96%E7%AE%80%3A%5B-b%2B%E6%A0%B9%E5%8F%B7%28b%26%23178%3B-4ac%29%5D%2F2a%2B%5B-b-%E6%A0%B9%E5%8F%B7%28b%26%23178%3B-4ac%29%5D%2F2a+%28b%26%23178%3B%E2%89%A54ac%29)
化简:[-b+根号(b²-4ac)]/2a+[-b-根号(b²-4ac)]/2a (b²≥4ac)
化简:[-b+根号(b²-4ac)]/2a+[-b-根号(b²-4ac)]/2a (b²≥4ac)
化简:[-b+根号(b²-4ac)]/2a+[-b-根号(b²-4ac)]/2a (b²≥4ac)
[-b+根号(b²-4ac)]/2a+[-b-根号(b²-4ac)]/2a
=[-b+√(b²-4ac)-b-√(b²-4ac)]/2a
=-2b/2a
=-b/a
=-2b/2a=-b/a
－b／a