Factoriser A=4 (2x-3)^-(x-7)(2x-3)
Mathématiques
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Question
Factoriser A=4 (2x-3)^-(x-7)(2x-3)
2 Réponse
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1. Réponse Sulky
Bonjour,
Factoriser :
A = 4(2x - 3)² - (x - 7)(2x - 3)
A = (2x - 3)(8x - 12 - x + 7)
A = (2x - 3)(7x - 5) -
2. Réponse MonsieurFirdown
Bonjour
♧ Factoriser :
A = 4(2x-3)^ - (x-7)(2x-3)
A = (2x-3)[4(2x-3) - (x-7)]
A = (2x-3)(8x-12-x+7)
A = (2x-3)(7x-5)
Voilà ^^