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Sagot :

CARYS

Q = ( x - 4 ) ( x + 6 )

Q = x² + 6x - 4x - 24

Q = x² + 2x - 24

 

R = 3a - 2 ( 5a + 1 )

R = 3a - 10a - 2

R = -7a - 2

 

Voilà :)

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