Bonsoir, j'ai un calcul à faire mais je n'y arrive pas : 5x (2+4x)-(3x-2) (7 +2x)
Merci d'avance.​

By: USER9553
26 Agustus 2025 mathematiques 5 minutes
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Question

Grade: Education Subject: mathematiques
Bonsoir, j'ai un calcul à faire mais je n'y arrive pas : 5x (2+4x)-(3x-2) (7 +2x)
Merci d'avance.​
Asked by:
103 Viewed 103 Answers

Answer (103)

Best Answer
(267)

Réponse:

(5x×2+5x×4x)-(3x×7+3x×2x-2×7-2×2x)

(10x+20x au carré)-(21x+6x au carré-14-4x)

10x+20x au carré-(17x+6x au carré-14)

10x +20x au carré -17x-6x au carré +14

-7x +14x au carré +14

14x au carré-7x +14

Answered on 26 Agustus 2025

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