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：2024/11/17 21:27:10
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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