la reponse de 3x×x-x-14

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27 Agustus 2025 mathematiques 5 minute
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Clasă: Education Materie: mathematiques
la reponse de 3x×x-x-14
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Réponse :

Explications étape par étape :

3x²-x-14 = 0

Δ = {-1)² - 4*3*14 = 169 = 13²

solutions: x' & x'' = {--1±√13²)/6 = -2 & +7/3

Răspunsul a fost dat în data 27 Agustus 2025

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