Réponses

2014-04-04T22:48:01+02:00
H=(2x+1)(3x-4)+ (2x+1)(7x-5)
 = (2x+1)(3x-4+7x-5)
 = (2x+1)(10x-9)
2014-04-04T23:19:12+02:00
Factoriser :

H = (2x + 1) (3x - 4) + (2x + 1) (7x - 5)
H = (2x + 1) (3x - 4 + 7x -5)
H = (2x + 1) (10x - 9)