Answered

(-7+6x)(6x-1)=0
Merci d'avance

Sagot :

-42x+7+36x au carre-6x
 36xau carre-48x+7
( -7 + 6x ) ( 6x – 1 ) = 0
-7 + 6x = 0
6x = 0 + 7
6x = 7
x = 7/6

OU

6x  –  1 = 0
6x = 0 + 1
6x = 1
x = 1/6

S = { 7/6 ; 1/6 }