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Hafsouna2
@Hafsouna2
May 2019
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Bonjours! pouvez vous m'aider a développer : (2ₓ +2)(2ₓ +2) ₋ 9
merci! beaucoup!
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Mickey8888
Verified answer
C'est simple, il faut faire la double distributivité
=2ₓ x 2ₓ + 2ₓ x 2 +2 x 2
ₓ + 2 x 2
=4xcarré + 4x +4x + 4 - 9
= 4xcarré +8x - 5
1 votes
Thanks 1
mazig
Bonjour
(2+2) (2+2) 9 =
(4)(4) 9 = (16)(9)=(4)^2 x (3)^2 = (12)^2= 144
bon courage
1 votes
Thanks 0
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Verified answer
C'est simple, il faut faire la double distributivité=2ₓ x 2ₓ + 2ₓ x 2 +2 x 2ₓ + 2 x 2
=4xcarré + 4x +4x + 4 - 9
= 4xcarré +8x - 5
(2+2) (2+2) 9 =
(4)(4) 9 = (16)(9)=(4)^2 x (3)^2 = (12)^2= 144
bon courage