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UnPetitPoulet
@UnPetitPoulet
May 2019
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Bonsoir, je viens en recherche d'aide pour un exercice en maths sur les équations. Merci :)
Résoudre l'équation suivante: 4x²-5 = 2x(3+2x)
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inequation
Verified answer
Bonjour,
Résoudre
4x²-5 = 2x(3+2x)
4x²-5= 6x+4x²
4x²-4x²-5-6x
-6x-5= 0
-6x= 5
x= -5/6
1 votes
Thanks 1
UnPetitPoulet
Merci :)
inequation
de rien
maudmarine
Verified answer
Bonjour,
4x²-5 = 2x(3+2x)
4x² - 5 = 6x + 4x²
4x² - 4x² - 6x = 5
- 6x = 5
x = - 5/6
et
10x - 11 = x
10x - x = 11
9x = 11
x = 11/9
2 votes
Thanks 1
UnPetitPoulet
Bonjour, je ne vois pas d'ou vient le 10x pouvez-vous m'expliquer ?
UnPetitPoulet
Finalement j'ai compris, merci :)
maudmarine
Ok cool
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Lista de comentários
Verified answer
Bonjour,Résoudre
4x²-5 = 2x(3+2x)
4x²-5= 6x+4x²
4x²-4x²-5-6x
-6x-5= 0
-6x= 5
x= -5/6
Verified answer
Bonjour,4x²-5 = 2x(3+2x)
4x² - 5 = 6x + 4x²
4x² - 4x² - 6x = 5
- 6x = 5
x = - 5/6
et
10x - 11 = x
10x - x = 11
9x = 11
x = 11/9