On considére les expression algébriques: b(x)= (12x+14)² - (4x+1)(6x+7) Developper & Factoriser svp..

Question

Mathématiques Publié : 2013-12-01 Mis à jour : 2021-09-06 fawes1

Question

On considére les expression algébriques:

b(x)= (12x+14)² - (4x+1)(6x+7)

Developper & Factoriser svp..

Answer 1

b(x)= (12x+14)² - (4x+1)(6x+7)
     =4(6x+7)²-(4x+1)(6x+7)
     =(6x+7)(24x+28-4x-1)
   =(6x+7)(20x+27)
     =120x²+302x+189