bonjour
2 x + 5 + 7 - 6 x = 0
- 4 x = - 7 - 5
- 4 x = - 12
x = 3
nulle pour x = 3
( 2 x + 5 ) ( 7 - 6 x ) = 0
x = - 5/2 ou 7/6
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bonjour
2 x + 5 + 7 - 6 x = 0
- 4 x = - 7 - 5
- 4 x = - 12
x = 3
nulle pour x = 3
( 2 x + 5 ) ( 7 - 6 x ) = 0
x = - 5/2 ou 7/6