Répondre :
Bonjour;
E=x+6x (5+ x)
si x = *
x+6x (5+ x)
= x+30+6x
= 7x+30
G = 6x (5+ x)-x
si x = *
= 30 +6x-x
= 5x+30
F = 6+ (5+ x)
= 6+5+x
= x+11
H = 6x + (5+ x)
= 6x+5+x
= 7x+5
Bonjour;
E=x+6x (5+ x)
si x = *
x+6x (5+ x)
= x+30+6x
= 7x+30
G = 6x (5+ x)-x
si x = *
= 30 +6x-x
= 5x+30
F = 6+ (5+ x)
= 6+5+x
= x+11
H = 6x + (5+ x)
= 6x+5+x
= 7x+5