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Noob75
@Noob75
May 2019
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Bonsoir , pouvez vous m'aider à factoriser E = (2x - 5)² + 2x - 5
Je suis en seconde
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FreeThinker
Verified answer
Bonsoir,
E = (2x - 5)² + 2x - 5
E = (2x - 5)(2x-5)+(2x - 5)(1)
E = (2x - 5)(2x - 5+1)
E = (2x - 5)(2x - 4)
E = (2x - 5)(x - 2)(2)
1 votes
Thanks 1
Noob75
Merci de votre réponse
FreeThinker
En effet, on peut factoriser encore plus, comme l'a fait Loulakar
loulakar
Verified answer
Bonsoir
E = (2x - 5)^2 + 2x - 5
E = (2x - 5)^2 + 1(2x - 5)
E = (2x - 5)(2x - 5 + 1)
E = (2x - 5)(2x - 4)
E = (2x - 5)[2(x - 2)]
E = 2(2x - 5)(x - 2)
2 votes
Thanks 0
Noob75
Merci de votre réponse
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Bonjour je suis en seconde et l'exercice bonus je n'arrive pas svp aidez moi merci d'avance :) RACINE CARREE
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Bonjour j'ai un petit exercice de maths sur les statistiques de seconde et je n'y arrive pas svp aidez moi
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Lista de comentários
Verified answer
Bonsoir,E = (2x - 5)² + 2x - 5
E = (2x - 5)(2x-5)+(2x - 5)(1)
E = (2x - 5)(2x - 5+1)
E = (2x - 5)(2x - 4)
E = (2x - 5)(x - 2)(2)
Verified answer
BonsoirE = (2x - 5)^2 + 2x - 5
E = (2x - 5)^2 + 1(2x - 5)
E = (2x - 5)(2x - 5 + 1)
E = (2x - 5)(2x - 4)
E = (2x - 5)[2(x - 2)]
E = 2(2x - 5)(x - 2)