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Sagot :

REGINEGALMAR

Réponse :

EXERCICE 1

A = 6x + 18 = 6(x + 3)

B = 45 - 18x = 3(15 - 6x)

C = 8x - 56 = 8(x - 7)

D = 7x² - 21x = 7x(x - 3)

E = 15x - 10 = 5(3x - 2)

F = 39x + 26x² = x(39 + 26x)

EXERCICE 2

EXERCICE 3

Explications étape par étape :

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