Réponses

  • Utilisateur Brainly
2014-09-14T16:54:44+02:00
2014-09-14T16:56:09+02:00

Bonjour

A) (y-5)(3y+4)-(y-5)(4y-3)

(y-5)[(3y+4) - (4y-3)]

(y-5)(3y+4-4y+3)

(y-5)(-y+7)