Factoriser (4-5x)(8x+1)-(4-5x)(7x-5)
Mathématiques
maichekenza9440
Question
Factoriser (4-5x)(8x+1)-(4-5x)(7x-5)
2 Réponse
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1. Réponse unnombre25
bonjour
(4-5x)(8x+1)-(4-5x)(7x-5)
(4-5x)[8x+1-7x+5]
(4-5x)(x+6) -
2. Réponse MonsieurFirdown
Bonsoir
♤ On a : (4-5x)(8x+1)-(4-5x)(7x-5)
♤ Factorisation de cette expression :
A = (4-5x)(8x+1)-(4-5x)(7x-5)
A = (4-5x)[(8x+1)-(7x-5)]
A = (4-5x)(8x+1-7x+5)
A = (4-5x)(x+6)
Voilà ^^