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Sagot :

VINS

bonsoir

A = ( 3 x /4 + 5/3 ) x = 0

  3 x² /4 + 5 x /3 = 0

  9 x² /12 + 20 x /3 = 0

   9 x² + 20 x = 0

   x ( 9 x + 20 ) = 0

  x = 0 ou - 20/9

B = 3 x ( x - 3 )²

  x =  0 ou 3

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