Réponses

  • Utilisateur Brainly
2014-05-30T12:18:09+02:00
(-9x +1)(6x -5) = 0

-9x = -1
x =1/9

6x-5 =0
6x =5
x =5/6
  • Utilisateur Brainly
2014-05-30T13:10:53+02:00
(-9x +1)(6x -5) = 0
- 9x + 1 = 0 ou 6x - 5 = 0
- 9x = - 1 ou 6x = 5
x = 1/9 ou x = 5/6

S= {1/9 ; 5/6}