Comment factoriser (t-7)(2t+1)+(2t+1)² ?svp
Mathématiques
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Question
Comment factoriser (t-7)(2t+1)+(2t+1)² ?svp
1 Réponse
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1. Réponse nonotata
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(t-7)(2t+1)+(2t+1)²
(2t+1)(t-7+2t+1)
(2t+1)(3t-6)
3(2t+1)(t-2)