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\begin{center}{\huge{Test nˇ4a}}\end{center}


RŽsoudre les Žquations suivantes:

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$5x^2-4x-1=0$

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$x^2+3x+3=0$

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$4x^2+4x+1=0$

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$\displaystyle \frac{5x}{2x-1}-\frac{4}{3x-2}=1$

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