Réponses

  • Utilisateur Brainly
2014-03-16T11:28:28+01:00
2014-03-16T11:29:06+01:00
(x+4)(5x-3)-3(5x-3)
=(5x-3)[(x+4)-3]
=(5x-3)(x+4-3)
=(5x-3)(x+1)