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Bae30
@Bae30
January 2021
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Bonjour , développer et réduire cette expression : ( 3x - 2 ) au carré + ( 3x - 2 ) ( x + 3 ) merci :)
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taalbabachir
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Développer et réduire l'expression suivante :
( 3 x - 2)² + (3 x - 2)(x + 3)
= 9 x² - 12 x + 4 + (3 x² + 9 x - 2 x - 6)
= 9 x² - 12 x + 4 + 3 x² + 7 x - 6
= 12 x² - 5 x - 2
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Bae30
Merci beaucoup
ElHe
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Bonsoir :)
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Développer et réduire l'expression suivante :( 3 x - 2)² + (3 x - 2)(x + 3)
= 9 x² - 12 x + 4 + (3 x² + 9 x - 2 x - 6)
= 9 x² - 12 x + 4 + 3 x² + 7 x - 6
= 12 x² - 5 x - 2
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Bonsoir :)