Réponses

  • Utilisateur Brainly
2013-10-13T17:41:34+02:00
X [ ( -6x + 7) + ( 4x - 2 ) ] = x (-6x + 7 + 4x - 2) = x ( -2x +5)
2013-10-13T17:41:53+02:00
(−6x+7)x+x(4x−2)
= -6x²+7x+4x²-2x
= -2x²+5x
= x(5-2x)