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Laura23
@Laura23
April 2019
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Bonsoir, j'ai un devoir de Mathématiques j'ai rien compris aider moi s.v p Merci d'avance
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maudmarine
Verified answer
1) (- 3e) x 9 =
- 27e
Réponse c) - 27e
2) (- 6x) * (- 2x) =
12x²
Réponse d) : 12x²
3) - 7y + 2 =
- 7y + 2
Réponse a) : - 7y + 2
4) - 3t + t =
- 2t
Réponse c) : - 2t
5) - 7a + 5a² - 8 - 5a =
5a² - 12a - 8
Réponse c) : 5a² - 12a - 8
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Verified answer
1) (- 3e) x 9 = - 27eRéponse c) - 27e
2) (- 6x) * (- 2x) = 12x²
Réponse d) : 12x²
3) - 7y + 2 = - 7y + 2
Réponse a) : - 7y + 2
4) - 3t + t = - 2t
Réponse c) : - 2t
5) - 7a + 5a² - 8 - 5a = 5a² - 12a - 8
Réponse c) : 5a² - 12a - 8