(adsbygoogle = window.adsbygoogle || []).push({}); [SOLVED] 3rd degree polynom

if given Axx+Bx+C=0 then x=f(A,B,C)=(-B(+/-)sqrt(BB-4AC))/2A.

Now given:Axxx+Bxx+Cx+D=0

Solve:x=f(A,B,C,D)

MATHCAD PRO 2K solves it but I don't know how.

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# 3rd degree polynom

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