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MrsBizzleS
@MrsBizzleS
April 2019
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Bonjour je suis bloquer sur un devoir de maths se sont des equation Resoudre: (x+1) au carré = 9
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MAHAM
(x+1)²=9 equivaut a (x+1)²-9=0
(x+1)²-3²=0
( x+1-3)(x+3+1)=0
(x-2)(x+4)=0
(x-2)=0 ou (x+4)=0
x=2 OU x=-4
verifions (x+1)²=9 avec 2
(2+1)²-=9
3²=9
9=9
avec -4
(x+1)²=9
(-4+1)=9
(-3)²=9
9=9
VOICI MON AIDE
0 votes
Thanks 1
MrsBizzleS
Merci !! :)
MAHAM
DE RIEN
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Bonjour, je bloque sur cette exercice pourriez vous m'aider si possible ? je vous remerci d'avance.
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Je comprend pas aider moi
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Lista de comentários
(x+1)²-3²=0
( x+1-3)(x+3+1)=0
(x-2)(x+4)=0
(x-2)=0 ou (x+4)=0
x=2 OU x=-4
verifions (x+1)²=9 avec 2
(2+1)²-=9
3²=9
9=9
avec -4
(x+1)²=9
(-4+1)=9
(-3)²=9
9=9
VOICI MON AIDE