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Sagot :

VINS

bonjour

A =  ( x - 5 ) ( 2 x + 7 )

B = ( 2 x + 5 ) ( x - 3  - 3 x + 1 )  

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

B =  - 2 ( 2 x + 5 ) ( x + 1 )

C = ( 3 y + 7 ) ( 2 y - 9 + 5 y - 7 )

C = ( 3 y + 7 ) ( 7 y - 2 )  

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