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Exercice 6:
Développer et réduire
A = 5(x + 6)
B=(.*+ 7) 8
C=8(2 x + 4)
D=7(5x-4)
E= -61-2.x+3)
F= 7(8-8.)
(=-31-2x-5)
H=5(x+6)
1= x(x-7)
K= 2x 4.1-7)
L= x1-6x + 4)
J=3(4x²-5)
M= -9x(2x+3)
N= 5x(4-7x)

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