Sagot :
Réponse :
Bonjour,
A = -5(x + 4)
= -5 * x + (-5) * 4
= -5x - 20
B = -3(x - 2)
= -3 * x - (-3) * 2
= -3x + 6
C = -4(5x - 1)
= -4 * 5x - (-4) * 1
= -20x + 4
Bon courage ^-^
Bonjour,
Développer les expressions:
A=-5(x +4)= -5x-20
B=-3(x - 2)= -3x+6
C=-4(5x - 1)= -20x+4