Réponses

  • Utilisateur Brainly
2013-05-02T20:54:16+02:00

(3x-1)²-(3x-1)(2x-3)

=(3x-1)(3x-1-2x+3)

=(3x-1)(x+2)

2013-05-02T20:58:03+02:00
( 3x-1)2 -(3x-1) (2x-3)
= (3x-1) (3x-1x+3)
(3x-1)(x+2)