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% file `T1_etude_sgn-exercise-1-exercise-body.tex'
%   in folder `exercises/'
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%     exercise of type `exercise' with id `1'
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% generated by the `exercise' environment of the
%   `xsim' package v0.11 (2018/02/12)
% from source `T1_etude_sgn' on 2018/09/07 on line 55
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    Tracer le tableau de signe des polynômes suivants
    \begin{multicols}{3}
        \begin{enumerate}
            \item $a(x) = 3x^2 + 2x - 5$
            \item $b(x) = x^2 + 2x + 1$
            \item $c(x) = -x^2 + 5x$
        \end{enumerate}
    \end{multicols}