bonjour
g (x) = ( 3 x + 2 )² - 16
g (x) = ( 3 x + 2 - 4 ) ( 3 x + 2 + 4 )
g (x) = ( 3 x - 2 ) ( 3 x + 6 )
g (- 1 ) = ( - 3 - 2 ) ( - 3 + 6 ) = - 5 * 3 = - 15
g (0) = - 2 * 6 = - 12
