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Sagot :

re..

comme l'autre

= 9 * 3x + 9 * 6 + 4x * 6x + 4x * 1

= 27x + 54 + 24x² + 4x

= 24x² + 31x + 54

Bonjour
9(3x+6)+4x(6x+1)
= 27x + 54 + 24x^2+4x
= 24x^2 + 31x + 54

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