因式分解的规律分解x^3+x-31,令(837-√700677)/54为k,z为k的根号三次方根,再令p=(3z^2-1)/3z,则原式即可分解为(x-p)(x^2+px+(31/p))救命啊,依此规律因式分解x^3+x-33啊.

来源:学生作业帮助网 编辑:作业帮 时间:2024/07/28 15:24:51
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