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Sagot :

VINS

bonjour

f (x) = ( x + 2 ) ( x + 1 ) + ( x + 2 ) ( 2 x + 3 )

f (x) =  x² + x + 2 x + 2 +  2 x² + 3 x + 4 x + 6

f (x) =  3 x² + 10 x + 8

f (x) = ( x + 2 ) ( x + 1 + 2 x + 3 )

f (x) = ( x + 2 ) ( 3 x + 4 )

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