[R] Is there a way to find all roots of a polynomial equation in R?

[JesperHybel]

>Is there a way to find all roots of a polynomial equation?
>
>Lets say
>
>x^5+a*x^4+b*x^3+c*x^2+d*x+e=0
>
>
>how to find its all roots?
>
>	
The package rootSolve might proove interesting
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