Réponses

2014-03-28T18:51:38+01:00
(5y+2)(y-7)+(3-y)(5y+2) on met 5y+2 en facteur
= (5y+2)(y-7+5y+2)
= (5y+2)(6y-5)
Meilleure réponse !
  • Utilisateur Brainly
2014-03-28T18:56:20+01:00
(5y+2)(y-7)+(3-y)(5y+2)
=(5y+2)(y-7+3-y)
=(5y+2)(-4)