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Sagot :

SYLVIA38

Réponse :

Bonsoir

Explications étape par étape

A = 5xy

B=18x

C=10x+6

D=14xy

E=3x^2

F=3x+5y

G=6x-3y

H=24xy

I=4a+6b

J=15x^2

2)pour x = 8

A = 5x + 3

A = 5*8+3

A = 40 + 3

A = 43

B = 5x * 3

B = 15x

B = 15 * 8

B = 120

C = 5(x+3)

C = 5(8+3)

C = 5 * 11

C = 55

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