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Titine80
@Titine80
April 2019
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Bonjour dm a faire pour mardi je me permet de vous demander de l aide voiçi l exercice
on considere lexpression E=(x-3)²-(x-1)(x-2)
a: developper et déduire sans calculatrice le resultat de99 997²x99 998? comment faire
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winner123
Verified answer
Bonjour
E = ( x - 3)² - ( x - 1) ( x - 2)
E = ( x -3)² - ( x² - 2 x - x + 2)
E = ( x -3)² - ( x² - 3 x + 2)
E = x² - 6 x + 9 - x² + 3 x - 2
E = - 3 x + 7
99 997² x 99 998
= ( 100 000 - 3)² x ( 100 000 - 2)
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Bjr j ai un gros dm de math a rendre pour la fin de semaine qui pourrais m aider sil vous plait merci d avance
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Verified answer
BonjourE = ( x - 3)² - ( x - 1) ( x - 2)
E = ( x -3)² - ( x² - 2 x - x + 2)
E = ( x -3)² - ( x² - 3 x + 2)
E = x² - 6 x + 9 - x² + 3 x - 2
E = - 3 x + 7
99 997² x 99 998
= ( 100 000 - 3)² x ( 100 000 - 2)