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Matissou59
@Matissou59
May 2019
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Bonjour voici mon exercice :
Supprimer les parenthèses dans l'expression suivante et réduire :
E= 5x au carré + (3x-4) - (2x au carré - 3) + 2x
Merci d'avance pour vos réponses
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Verified answer
E = 5x²+3x-4-2x²+3+2x
E = 3x²+5x-1
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Commentaires (1)
Verified answer
5x² + (3x - 4) - (2x² - 3) + 2x
= 5x² + 3x - 4 - 2x² + 3 + 2x
= 3x² + 5x - 1
0 votes
Thanks 0
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Verified answer
E = 5x²+3x-4-2x²+3+2xE = 3x²+5x-1
Verified answer
5x² + (3x - 4) - (2x² - 3) + 2x= 5x² + 3x - 4 - 2x² + 3 + 2x
= 3x² + 5x - 1