Réponses

  • Utilisateur Brainly
2013-11-09T16:25:07+01:00
Factoriser au maximum
J= 4x² -12x +9
  =(2x-3)²

K= (4x+3)(x-1)+4x+3
  =(4x+3)(x-1+1)
  =(4x+3)(x)

L= 5-x+(x-5)(2x+1)
  =(5-x)(1-2x-1)
  =(5-x)(-2x)