Réponses

  • Utilisateur Brainly
2014-09-06T19:13:03+02:00
(3*1-1)(4*1-3)
= 2 * 1
= 2

12*1² + 13*1 - 3
= 12 + 13 - 3
= 22   
≠2

(3x - 1)(4x - 3)
= 12x² - 9x - 4x + 3
= 12x² - 13x + 3