Réponses

2012-10-14T20:35:31+02:00
2012-10-14T21:20:38+02:00

tu as donc 

x^+6x-16=-16  x^2+6x-16+16=0   x^2+6x=0  x( x+6 )=0  si x=0 et si  x+6=0 x=-6