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Emma54
@Emma54
April 2019
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Bonjour petit exercice de factorisation que je n'arrive pas :-/
L'exercice 4 sur la photo
Merci
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winner123
Verified answer
Bonjour
E = 4x² -49 + (2x -7)(3x +2)
tu remarqueras que 4 x² - 49 est la différence de 2 carrés donc (2x -7)(2x +7)
E = (2 x -7)( 2 x +7 + 3x +2)
E = (2 x -7) ( 5 x +9)
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Verified answer
BonjourE = 4x² -49 + (2x -7)(3x +2)
tu remarqueras que 4 x² - 49 est la différence de 2 carrés donc (2x -7)(2x +7)
E = (2 x -7)( 2 x +7 + 3x +2)
E = (2 x -7) ( 5 x +9)