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Sagot :

VINS

bonjour

D = ( 5 x + 2 ) ( 3 x - 5 - x + 3 )

D =  ( 5 x + 2 ) ( 2 x -  2)

D = 2 ( 5 x + 2 ) ( x - 1 )

Bonsoir

D = ( 5x + 2 ) ( 3x - 5 ) - ( 5x + 2 ) ( x - 3 )

= ( 5x + 2 ) ( 3x - 5 - x + 3 )

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

= (5x+2)2(x-1)

Bonne soirée

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