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Vins

bonjour

d = ( 2 x - 1 )²

E = ( x - 1 ) ( x + 7 + 2 x + 3) = ( x - 1 ) ( 3 x + 10 )

F = ( 2 x - 5 ) ( 2 x + 5 )

G = x ( 4 x + 1 )

H = ( x - 3 ) ( x - 3 - x - 1 )  = ( x - 3 ) ( - 4 )

I = ( x + 3 ) ( 2 x - 5 + 1 ) = ( x + 3 ) ( 2 x - 4 )

J = ( x + 5 )²