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cardoland
@cardoland
January 2021
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bonjour, je dois factoriser les expressions suivantes
('x+2)² -9
4x²+4x+1
x²-6x+9
merci pour votre aide
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meemameema
(x + 2)² - 9
(x + 2)² - 3²
(x + 2 - 3)(x + 2 + 3)
(x - 1)(x + 5)
4x² + 4x + 1 = (2x)² + 2*2x*1 + 1² =
(2x + 1)²
x² - 6x + 9 = (x)² - 2*x*3 + 3² =
(x - 3)²
1 votes
Thanks 0
cardoland
merci beaucoup pour votre aide
meemameema
de rien bonne soirée
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BONJOUR j ai un DM de maths et je n'arrive pas a faire cet exercice je vous remercie pour votre aide
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Lista de comentários
(x + 2)² - 3²
(x + 2 - 3)(x + 2 + 3)
(x - 1)(x + 5)
4x² + 4x + 1 = (2x)² + 2*2x*1 + 1² = (2x + 1)²
x² - 6x + 9 = (x)² - 2*x*3 + 3² = (x - 3)²