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\begin{document}


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

Développer les expressions suivantes :


\begin{enumerate}[$A(x)=$~]
\item $(x+1)(x+3)$

\bigskip

\item $(2x+8)(x+5)$

\bigskip

\item $(4x-1)(x+2)$

\bigskip

\item $(5x+4)(4x+7)$

\bigskip

\item $(4x+3)(3x-2)$

\bigskip

\item $(7x-4)(2x-1)$
\end{enumerate}

\label{fin}
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