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Question Number 183974 by yaslm last updated on 01/Jan/23

Answered by MJS_new last updated on 01/Jan/23

$$x=y^3+12y+7$$$$y^3+12y+(7-y)=0$$$$\mathrm{use}{\mathrm{Cardano}}^{\prime }\mathrm{s}\mathrm{Formula}\mathrm{to}\mathrm{get}$$$$y=\sqrt[3]{\frac{x-7}{2}-\frac{\sqrt{x^2-14x+305}}{2}}+\sqrt[3]{\frac{x-7}{2}+\frac{\sqrt{x^2-14x+305}}{2}}$$

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