问题 填空题

当x=2和x=﹣1时,代数式x2+mx+n的值都为0,则m=(    ),n=(    ).

答案

﹣1;﹣2

问答题

       据《史记》记载秦孝公死后,旧贵族诬告商鞅谋反结果商鞅被处死。你认为商鞅变法是成功了,还是失败了?为什么?

                                                                                                                                                            

                                                                                                                                                            

                                                                                                                                                             

                                                                                                                                                             

                                                                                                                                                             

                                                                                                                                                            

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