甲乙同学分别解一道一元二次方程,甲因为把一次系数看错了,而解得方程的两根为-2和3,乙把常数项看错了,解得两根为1+根号3和1-根号3,则原方程是[ ]A.x的平方+2x-6=0 B.X的平方-2X+6=0 C.X的平方+2X-
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/18 10:21:01
![甲乙同学分别解一道一元二次方程,甲因为把一次系数看错了,而解得方程的两根为-2和3,乙把常数项看错了,解得两根为1+根号3和1-根号3,则原方程是[ ]A.x的平方+2x-6=0 B.X的平方-2X+6=0 C.X的平方+2X-](/uploads/image/z/670987-19-7.jpg?t=%E7%94%B2%E4%B9%99%E5%90%8C%E5%AD%A6%E5%88%86%E5%88%AB%E8%A7%A3%E4%B8%80%E9%81%93%E4%B8%80%E5%85%83%E4%BA%8C%E6%AC%A1%E6%96%B9%E7%A8%8B%2C%E7%94%B2%E5%9B%A0%E4%B8%BA%E6%8A%8A%E4%B8%80%E6%AC%A1%E7%B3%BB%E6%95%B0%E7%9C%8B%E9%94%99%E4%BA%86%2C%E8%80%8C%E8%A7%A3%E5%BE%97%E6%96%B9%E7%A8%8B%E7%9A%84%E4%B8%A4%E6%A0%B9%E4%B8%BA-2%E5%92%8C3%2C%E4%B9%99%E6%8A%8A%E5%B8%B8%E6%95%B0%E9%A1%B9%E7%9C%8B%E9%94%99%E4%BA%86%2C%E8%A7%A3%E5%BE%97%E4%B8%A4%E6%A0%B9%E4%B8%BA1%2B%E6%A0%B9%E5%8F%B73%E5%92%8C1-%E6%A0%B9%E5%8F%B73%2C%E5%88%99%E5%8E%9F%E6%96%B9%E7%A8%8B%E6%98%AF%5B+%5DA.x%E7%9A%84%E5%B9%B3%E6%96%B9%2B2x-6%3D0+B.X%E7%9A%84%E5%B9%B3%E6%96%B9-2X%2B6%3D0+C.X%E7%9A%84%E5%B9%B3%E6%96%B9%2B2X-)
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