November 2020 0 89 Report
Exercice 1 On donne L(x) = 4x² - 25 – (2x + 5)(7 – x)
1. Factoriser 4x² - 25
2. En déduire la factorisation de L(x)
3. Résoudre alors 4x² - 25 – (2x +5)(7 – x) = 0
bonjour pouvez vous m'aideé
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