Répondre :
bonsoir
B = ( x - 4 )²
C = ( 6 x + 8 )²
D = ( 5 x - 3 - 12 ) ( 5 x - 3 + 12 ) = (5 x - 15) ( 5 x + 9 )
e = ( 9 x + 7 + 4 x - 15 ) ( 9 x + 7 - 4 x + 15 ) = ( 13 x - 8 ) ( 5 x + 22 )
bonne soirée
bonsoir
B = ( x - 4 )²
C = ( 6 x + 8 )²
D = ( 5 x - 3 - 12 ) ( 5 x - 3 + 12 ) = (5 x - 15) ( 5 x + 9 )
e = ( 9 x + 7 + 4 x - 15 ) ( 9 x + 7 - 4 x + 15 ) = ( 13 x - 8 ) ( 5 x + 22 )
bonne soirée