Factoriser a(x) = (-3x+8) (7x-4)-(-3x+8) (5-2x)
Mathématiques
noahngonzi40
Question
Factoriser a(x) = (-3x+8) (7x-4)-(-3x+8) (5-2x)
1 Réponse
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1. Réponse Vins
bonjour,
A (x) = (-3 x+8) (7 x-4)-(-3 x+8) (5-2 x)
A = ( - 3 x + 8 ) ( 7 x - 4 - 5 + 2 x )
A = ( - 3 x + 8 ) ( 9 x - 9 )
A = 9 ( - 3 x + 8 ) ( x - 1 )