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Sagot :

AYUDA

bjr

factoriser = trouver un facteur commun

A = 8x + 8y = 8 * x + 8 * y = 8 (x + y)

B = 4x + x² = x * 4 + x * x = x (4 + x)

multiple de 5 = 5n

la somme = 5n + 5n = 5 * 2n => multiple de 5

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