Réponse:
Tu dois développer chaque expression :
I = 5(x+2)
= 5×x + 5×2
= 5x + 10
J = 11(t-3)
= 11 × t + 11 × (-3)
= 11t + (-33)
= 11t - 33
K = 3(2z + 10)
= 3 × 2z + 3 × 10
= 6z + 30
L = a(a + 7)
= a × a + a × 7
= a² + 7a
Voilaa
