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\begin{document}
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\begin{center}\section*{\textcolor{red}{Contrôle sur les développements}}\end{center}

\subsection*{\textcolor{blue}{Développer les expressions suivantes}}

\begin{exercice}
$f(x) = (5-5x)(7x-5)$
\end{exercice}

\begin{exercice}
$f(x) = (1-7x)(5x-6)$
\end{exercice}

\begin{exercice}
$f(x) = (-10x-8)(4-7x)$
\end{exercice}

\begin{exercice}
$f(x) = (2x-9)(9x+ 1)$
\end{exercice}
\begin{exercice}
$f(x) = (3-5x)(7x+ 8)$
\end{exercice}

\begin{exercice}
$f(x) = (-2x-2)(10x-10)$
\end{exercice}

\begin{exercice}
$f(x) = (-3x-9)(4x+ 4)$
\end{exercice}

\begin{exercice}
$f(x) = (7x+ 2)(8x-1)$
\end{exercice}

\begin{exercice}
$f(x) = (2-2x)(x+ 5)$
\end{exercice}

\begin{exercice}
$f(x) = (-2x-10)(6x+ 2)$
\end{exercice}





\label{fin}
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