Bonjour! Factoriser cette expression : E=(5-4x)aucarré-(2x-1)(5-4x)
Mathématiques
shoooooooto
Question
Bonjour!
Factoriser cette expression :
E=(5-4x)aucarré-(2x-1)(5-4x)
Factoriser cette expression :
E=(5-4x)aucarré-(2x-1)(5-4x)
2 Réponse
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1. Réponse ayuda
bjr
E = (5-4x) (5-4x) - (2x-1) (5-4x)
= (5-4x) (5-4x - (2x-1))
= (5-4x) (5-4x-2x+1)
= (5-4x) (-6x + 6)
= 6 (5-4x) (-x+1)
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2. Réponse Vins
bonjour
E = ( 5 - 4 x ) ( 5 - 4 x - 2 x + 1 )
E = ( 5 - 4 x ) ( - 6 x + 6 )
E = 6 ( 5 - 4 x ) ( - x + 1 )