bonjour
1. ( x + 2 ) ( 3 x - 8 ) + ( x - 2 ) ( x + 2 ) = 0
( x + 2 ) ( 3 x - 8 + x - 2 ) = 0
( x + 2 ) ( 4 x - 10 ) = 0
x = - 2 ou 10/4 = 5/2
2. ( x + 3 )² - ( 4 x - 1 ) ( x + 3 ) = 0
(x + 3 ) ( x + 3 - 4 x + 1 ) = 0
( x + 3 ) ( - 3 x + 4 ) = 0
x = - 3 ou 4/3
