Réponses

  • Utilisateur Brainly
2013-11-01T16:59:01+01:00
Factoriser D.
D= (12x+3)(2x-7)-(2x-7)²

=(2x-7)(12x+3-2x+7)
=(2x-7)(10x+10)
=10(2x-7)(x+1)
2013-11-01T17:02:47+01:00
(12x+3)(2x-7)-(2x-7)² 
=(2x-7)(12x+3-2x+7)
=(2x-7)(10x+10)
=10(2x-7)(x+1)