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lulembem
@lulembem
June 2021
1
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DM Math
Developper et reduire les 2 expression
A (6-[tex]x[/tex])²
B- (6-[tex]x[/tex])(4-[tex]x[/tex])
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Jeremy26i
Bonjour,
A = (6 - x)² : Pense aux identités remarquables ! (a-b)²=a²-2ab+b²
A = 6² - 2*6*x + x²
A = 36 - 12x + x²
A = x² - 12x + 36
B = (6 - x)(4 - x) : Pense à la distributivité !
B = 6*4 - 6*(x) - x*4 - x*(-x)
B = 24 - 6x - 4x + x²
B = x² - 10x + 24
Voilà ! A bientôt ^^
2 votes
Thanks 1
lulembem
Mercii Beaucoup Jeremyy
Jeremy26i
Derien :)
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Lista de comentários
A = (6 - x)² : Pense aux identités remarquables ! (a-b)²=a²-2ab+b²
A = 6² - 2*6*x + x²
A = 36 - 12x + x²
A = x² - 12x + 36
B = (6 - x)(4 - x) : Pense à la distributivité !
B = 6*4 - 6*(x) - x*4 - x*(-x)
B = 24 - 6x - 4x + x²
B = x² - 10x + 24
Voilà ! A bientôt ^^