Pouvez-vous m’aider merci :)
![Pouvezvous Maider Merci class=](https://fr-static.z-dn.net/files/d0d/1fa05ae51d9aed93e0be61a41ef48842.png)
Bonjour
(12 + 3x) (5x - 3) = 0
12 + 3x = 0 ou 5x - 3 = 0
3x = - 12 5x = 3
x = - 12/3 x = 3/5
x = - 4.