factoriser: E=(3x-1)(x-8)-(2x+4)(x-8) F=(x-5)(x+2)-(x-5)(3x+1)
Mathématiques
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Question
factoriser: E=(3x-1)(x-8)-(2x+4)(x-8)
F=(x-5)(x+2)-(x-5)(3x+1)
F=(x-5)(x+2)-(x-5)(3x+1)
1 Réponse
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1. Réponse Anonyme
bonjour
E = ( x -8) ( 3 x - 1 - 2 x - 4)
E = ( x -8) ( x - 5)
F = ( x -5) ( x + 2 - 3 x - 1) = ( x - 5) ( - 2 x + 1 )