bonjour
- 3 x - 7 = 0
- 3 x = 7
x = - 7/3
la D
si x = - 3 alors (x + 1 ) ³ = ( - 2 ) ³ = - 8
4 pouces
4 x + 12 = 4
4 x = 4 - 12
4 x = - 8
x = - 2
