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Shayllet
@Shayllet
April 2019
2
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Bonjour,
calculer pour moi l'aire
A= (2x +1) x (x+3)
l'aire aussi
A = (2x +1)^2
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winner123
Verified answer
Bonjour
A = 2 x² + 6 x + x + 3 = 2 x² + 7 x + 3
A = 4 x² + 4 x + 2
0 votes
Thanks 1
hamadiirchad
2fois 2 est egale a 4
Commentaires (7)
Bonjour ,
A = (2x+1) (x+3)
A = 2x² + 6x + x + 3
A = 2x² + 7x + 3
A = (2x+1)² ⇒
(a+b)² = a² + b² + 2ab
A = (2x)² + 1² + 4x
A = 4x² + 1 + 4x
2 votes
Thanks 3
hamadiirchad
moi j'ai cliqué ces tous
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Verified answer
BonjourA = 2 x² + 6 x + x + 3 = 2 x² + 7 x + 3
A = 4 x² + 4 x + 2
A = (2x+1) (x+3)
A = 2x² + 6x + x + 3
A = 2x² + 7x + 3
A = (2x+1)² ⇒ (a+b)² = a² + b² + 2ab
A = (2x)² + 1² + 4x
A = 4x² + 1 + 4x