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Vhbhv12479
@Vhbhv12479
January 2021
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Bonjour j'ai vraiment besoin d'aide J'ai un dm de maths mais j'ai bloqué sur cette question la c'est pour demain aidez moi SVP
1) Factoriser T (regarder la photo)
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nini999
Verified answer
Bonjour :
T=25x²-(2x+1)²
25x²-(2x+1)² il prend la forme de a²-b²=(a-b)(a+b)
___ _____
a² b²
Alors :
T=25x²-(2x+1)²
T=(5x)²-(2x+1)²
T=(5x-2x-1)(5x+2x+1)
T=(3x-1)(7x+1)
J’espère t'avoir t'aider
2 votes
Thanks 1
Vhbhv12479
Merci bcp tu m'as vraiment aider et tu m'as bien expliquer
nini999
Pas de problème :) Merci pour le meilleure réponse :)!
Vhbhv12479
Mais de rien tu le mérites
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Verified answer
Bonjour :T=25x²-(2x+1)²
25x²-(2x+1)² il prend la forme de a²-b²=(a-b)(a+b)
___ _____
a² b²
Alors :
T=25x²-(2x+1)²
T=(5x)²-(2x+1)²
T=(5x-2x-1)(5x+2x+1)
T=(3x-1)(7x+1)
J’espère t'avoir t'aider