因为关于
的一元二次方程
中,
________ ,
________ ,
________ ,故![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c87910b2e2a4a8c583465988b9e38b4c.png)
____________ =________ ,所以方程的根的情况是______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f9693724e9491d25dcb214f7146af73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e9bb42376c12d7d21702ae8062b25a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c87910b2e2a4a8c583465988b9e38b4c.png)
更新时间:2019-06-25 13:02:23
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【推荐1】一元二次方程x2+6x=3x+2化成一般式为:______ .
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