Bonjour je n'arrive pas a factoriser B=(3x-5)**-1 /C=(6x+1)**-(5x-2)**
voilà merci a celui qui me répondras .

By: USER9921
26 Agustus 2025 mathematiques 5 minutes
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Question

Grade: Education Subject: mathematiques
Bonjour je n'arrive pas a factoriser B=(3x-5)**-1 /C=(6x+1)**-(5x-2)**
voilà merci a celui qui me répondras .
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Answer (115)

Best Answer
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bjr

B=(3x-5)² - 1  = (3x-5)² - 1²

C=(6x+1)² - (5x-2)²

à chaque fois tu es face à : a² - b²

donc factorise par (a+b) (a-b)

exemple pour le B

B = (3x-5 + 1) (3x - 5 -1 ) = (3x - 4) (3x - 6) = 3 (3x-4) (x-2)

Answered on 26 Agustus 2025

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