Répondre :
( -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 }
-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 }