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Exercice 4
Développer chaque expression :
A = 5(a + 2)
E = -3(x+4)
G = 3x(1 + 2x)
B = 6(b-3)
F=-5(3x - 5)
H=6b(b-3)
C = (1-x) x9
1 = (1-2a) x 3x
D = 4(2-3b)
J = 7b(-2x - 5)