Bonjour c’est la dernière question aidez moi svp !

Re re...
x
3 x
3 x - 2
( 3 x - 2 )²
H (x) = ( 3 x - 2 )²
H ( - 1 ) = ( - 3 - 2 )² = ( - 5 )² = 25
( 3 x - 2 )² = 16
3 x - 2 = 4
3 x = 4 + 2
3 x = 6
x = 2