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Résous l'inéquation suivante: - x 2 – 5 x – 3 ≤ 1.

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Résous l'inéquation suivante: -x ² – 5x – 3 ≤ 1.

x ε [-1,-4]

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x ε ]-∞,-4] U [-1,+∞[

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x ε ]-∞,-0,7] U [-4,31, +∞[

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x ε [-0,7, -4,31]

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