svp aidez moi a factoriser (10n+10)/5 3(n+3)-n-7 3(n+1)-n+1 SVP merci
Mathématiques
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Question
svp aidez moi a factoriser
(10n+10)/5
3(n+3)-n-7
3(n+1)-n+1 SVP merci
(10n+10)/5
3(n+3)-n-7
3(n+1)-n+1 SVP merci
1 Réponse
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1. Réponse nonotata
Bonjour
(10n+10)/5 = 2n + 5 = 2(n + 5/2)
3(n+3)-n-7 = 3n+9 -n -7 = 2n + 2 = 2(n+1)
3(n+1)-n+1 = 3n +3 -n + 1 = 2n + 4 = 2(n+2)