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cocotian
@cocotian
June 2021
1
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besoin d aide
merci d avance
n 47 et 55
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winner123
Verified answer
Bonjour
E = 3(x -1) ( 2 -x)
E = 3 ( 2 x - x² - 2 + x)
E = 3 ( - x² + 3 x - 2)
E = - 3 x² + 9 x - 6
Expression de Léa
E = (3 x -3)(6 -3 x)
pour x = 0
E = - 3 x 6 = -18
expression de Mathias
pour x = 0
e = - 3 x 2 = - 6
Mathias n'a pas appliqué la distributivité sur les 2 facteurs
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besoin d aide. merci n 803
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Pouvez vous m aider.svp et merci d avance c est le n 36 :-D
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Verified answer
BonjourE = 3(x -1) ( 2 -x)
E = 3 ( 2 x - x² - 2 + x)
E = 3 ( - x² + 3 x - 2)
E = - 3 x² + 9 x - 6
Expression de Léa
E = (3 x -3)(6 -3 x)
pour x = 0
E = - 3 x 6 = -18
expression de Mathias
pour x = 0
e = - 3 x 2 = - 6
Mathias n'a pas appliqué la distributivité sur les 2 facteurs