factoriser f(x)=(6-x)(x-1)+18-3x
Mathématiques
stella71s
Question
factoriser f(x)=(6-x)(x-1)+18-3x
1 Réponse
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1. Réponse morganefhh
f(x)= (6-x)(x-1)+18-3x =( 6x-6× x2-x) + 18 -3x = (6x - 6x2 -x) + 18-3x = 5x - 6x2 + 18 - 3x = 2x - 6x2 + 18