c) 3x2 = 75
pourriez-vous m’aidez à résoudre l’équation au-dessus ?

By: USER3277
27 Agustus 2025 mathematiques 5 minutes
4.5
73 views 73 comments 13 shares

Question

Grade: Education Subject: mathematiques
c) 3x2 = 75
pourriez-vous m’aidez à résoudre l’équation au-dessus ?
Asked by:
73 Viewed 73 Answers

Answer (73)

Best Answer
(252)

Réponse :

Explications étape par étape :

3x²=75

x²=75/3

x²=25

x²-25 = 0

x²-5²=0

(x-5)(x+5) = 0

x-5 = 0 ou x+5 = 0

x = 5 ou x = -5

S = {-5 ; 5}

Answered on 27 Agustus 2025

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