Bonjour ,
je dois développée et simplifié cette expression :
(X + 3 ) ² - x²
merci d'avance

By: USER9613
27 Agustus 2025 mathematiques 5 minutes
4.5
112 views 112 comments 13 shares

Question

Grade: Education Subject: mathematiques
Bonjour ,
je dois développée et simplifié cette expression :
(X + 3 ) ² - x²
merci d'avance
Asked by:
112 Viewed 112 Answers

Answer (112)

Best Answer
(57)

Salut !

(x+3)²-x² = x²+6x+9-x² = 6x+9

Answered on 27 Agustus 2025
(157)

Bonjour,

(x + 3)² - x² = x² + 6x + 9 - x² = 6x + 9

Rappel sur les identités remarquables :

(a + b)² = a² + 2ab + b²

Answered on 27 Agustus 2025

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