
\begin{exercice}
 Relier entre elles les expressions égales. 
 \begin{enumerate}
 \item ~\\\begin{tabular}{|c|c|c|}
  \cline{1-1}\cline{3-3} 
  Forme développée&& Forme canonique
  \\\cline{1-1}\cline{3-3}
  $-3x^2-6x-5$&$\bullet\phantom{toto}\bullet$&$3(x-3)^2+1$
  \\\cline{1-1}\cline{3-3}
  $3x^2-18x+28$&$\bullet\phantom{toto}\bullet$&$-2(x+4)^2-1$
  \\\cline{1-1}\cline{3-3}
  $-2x^2-4x-2$&$\bullet\phantom{toto}\bullet$&$-3(x+1)^2-2$
  \\\cline{1-1}\cline{3-3}
%  -2x^2-8x-33$&$\bullet$\hfill$\bullet$&$-2(x-1)^2-4$
 $4x^2-8x+6$&$\bullet\phantom{toto}\bullet$&$-2(x-1)^2-4$
  \\\cline{1-1}\cline{3-3}
 $-2x^2-16x-33$&$\bullet\phantom{toto}\bullet$&$-2(x+1)^2$
  \\\cline{1-1}\cline{3-3}
 $-2x^2+4x-6$&$\bullet\phantom{toto}\bullet$&$4(x-1)^2+2$
  \\\cline{1-1}\cline{3-3}
\end{tabular}
%  $-2x^2-8x-33$&$\bullet$\hfill$\bullet$&$4(x-1)^2+2$
\item~\\ \begin{tabular}{|c|c|c|}
  \cline{1-1}\cline{3-3} 
  Forme développée&& Forme canonique
  \\\cline{1-1}\cline{3-3}
  $-3x^2-6x-7$&$\bullet\phantom{toto}\bullet$&$3(x+4)^2+5$
  \\\cline{1-1}\cline{3-3}
  $-3x^2+6x-1$&$\bullet\phantom{toto}\bullet$&$-3(x-1)^2+2$
  \\\cline{1-1}\cline{3-3}
  $3x^2+24x+53$&$\bullet\phantom{toto}\bullet$&$-3(x+1)^2-4$
  \\\cline{1-1}\cline{3-3}
  $3x^2-12x+15$&$\bullet\phantom{toto}\bullet$&$3(x+2)^2-7$
  \\\cline{1-1}\cline{3-3}  $3x^2-12x+5$&$\bullet\phantom{toto}\bullet$&$3(x-4)^2+1$
  \\\cline{1-1}\cline{3-3}
  $3x^2-24x+1$&$\bullet\phantom{toto}\bullet$&$3(x-2)^2+3$
  \\\cline{1-1}\cline{3-3}
\end{tabular}
% $3x^2-6x-1$&$\bullet$\hfill$\bullet$&$3(x-2)^2+3$
\item~\\ \begin{tabular}{|c|c|c|}
  \cline{1-1}\cline{3-3} 
  Forme factorisée&& Forme canonique
%  \\\cline{1-1}\cline{3-3}
%  $3(x+1)(x-2)$&$\bullet$\hfill$\bullet$&$3\left(x+\dfrac{\TopStrut 1}{\BotStrut 2}\right)^2-\dfrac{11}{4}$
  \\\cline{1-1}\cline{3-3}
  $3(x-1)(x+2)$&$\bullet\phantom{tototo}\bullet$&$3 \left(x+\dfrac{\TopStrut 3}{\BotStrut 2}\right)^2-\dfrac{3}{4}$
  \\\cline{1-1}\cline{3-3}
  $3(x+2)(x-3)$&$\bullet\phantom{tototo}\bullet$&$3\left(x+\dfrac{\TopStrut 5}{\BotStrut 2}\right)^2-\dfrac{3}{4}$
  \\\cline{1-1}\cline{3-3}
   $3(x+1)(x+2)$&$\bullet\phantom{tototo}\bullet$&$3\left(x-\dfrac{\TopStrut 1}{\BotStrut 2}\right)^2-\dfrac{75}{4}$
   \\\cline{1-1}\cline{3-3}
   $3(x-1)(x-2)$&$\bullet\phantom{tototo}\bullet$&$3\left(x+\dfrac{\TopStrut 1}{\BotStrut 2}\right)^2-\dfrac{27}{4}$
   \\\cline{1-1}\cline{3-3} $3(x+3)(x+2)$&$\bullet\phantom{tototo}\bullet$&$3\left(x-\dfrac{\TopStrut 3}{\BotStrut 2}\right)^2-\dfrac{3}{4}$
   \\\cline{1-1}\cline{3-3}
\end{tabular}
 \end{enumerate}
\end{exercice}

