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Ziza
@Ziza
April 2019
1
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M'aide a les résoudre 7x au carre +4x-3=0
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ktmm
Coucou !
Il faut que tu factorises l'équation :
7x²+ 4x-3 = 0
(x+1)(7x-3) = 0
d'où x+1 =0
x = -1
ou 7x-3 = 0
7x = 3
x = 3/7
S = {-1;3 / 7}
:)
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Lista de comentários
Il faut que tu factorises l'équation :
7x²+ 4x-3 = 0
(x+1)(7x-3) = 0
d'où x+1 =0
x = -1
ou 7x-3 = 0
7x = 3
x = 3/7
S = {-1;3 / 7}
:)