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