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Roxyyyy
@Roxyyyy
May 2019
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Bonjour, est ce que vous pouvez m'aider svp il s'agit de deux questions équations niveau 3°, merci beaucoup !
(C'est juste le n°20)
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Bonjour;
factoriser (x+3)²-4
= a²-b² qu'on factorise (a-b)(a+b=
(x+3-2)(x+3+2) =
(x+1)(x+5)
2) (x+1)(x+5) =0
x+1 =0
x =-1
x+5 =0
x =
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Verified answer
Bonjour;factoriser (x+3)²-4
= a²-b² qu'on factorise (a-b)(a+b=
(x+3-2)(x+3+2) =
(x+1)(x+5)
2) (x+1)(x+5) =0
x+1 =0
x =-1
x+5 =0
x =