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Kawol37
@Kawol37
April 2019
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E=x^2-9
Je calcul E pour x=3
E=x^2-9
E=3^2-9
E=0
Je calcule E pour x=racine carrée de 2
E=(racines carrée 2^2-9)
E=2-9
E=-7
Par contre je n'arrive pas a factorise E
E=(x+2)(x-3)+(x-3)
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Commentaires (1)
Factorisation de E:
E= (x+2) (x-3) + (x-3)
E= (x-3) (x + 2 + 1)
E= (x-3) (x+3)
Voilà! J'espère t'avoir aidé !
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Commentaires
E=(x+2)(x-3)+(x-3)
E=(x+2)
(x-3)
+
(x-3)
*1 (
souligné
le facteur commun)
E=(x-3)(x+2+1)
E=(x-3)(x+3)
0 votes
Thanks 0
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Lista de comentários
E= (x+2) (x-3) + (x-3)
E= (x-3) (x + 2 + 1)
E= (x-3) (x+3)
Voilà! J'espère t'avoir aidé !
E=(x+2)(x-3)+(x-3)*1 (souligné le facteur commun)
E=(x-3)(x+2+1)
E=(x-3)(x+3)