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Sagot :

VINS

Bonsoir

J  = ( 2 x /3  + 1 ) ( x - 5 - 3 x - 9 )

  = ( 2 x /3 + 1 ) ( - 2 x - 14 )

  = - 2 ( 2 x /3 + 1 ) ( x + 7 )

K = ( t - 5 ) ( 3 t + 3/4 - 5 t + 5/6 )

 = ( t - 5 ) ( - 2 t + 9/12 + 10 /12 )

 = ( t - 5 ) ( - 2 t + 19 /12 )

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