salut maths (x+2)(x+2)
Mathématiques
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Question
salut
maths
(x+2)(x+2)
maths
(x+2)(x+2)
1 Réponse
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1. Réponse bcorreges
salut mec
(x+2)(x+2)
=x*x+x*2+2*x+2*2
=x²+2x+2x+4
=x²+4x+4
voila