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charlottez17
@charlottez17
January 2021
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Bonjour,j'ai un problème avec une partie de mon exercice de maths.
Je dois développer :
A(x) = (3x - 2)² - ( 3x -2)(2x + 5)
A(x) = 27x - 18x + 18x +45 - 12x + 8 - 8x - 20
A(x) = 27x - 12x - 8x + 45 + 8 - 20
A(x) = 7x + 33
Est ce que c'est correct?
Merci d'avance
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charlottez17
January 2021 | 0 Respostas
Bonjour j'ai besoin d'aide pour le 2 de mon exercice, pouvez vous m'aider ?Merci d'avance.
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