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Sagot :

AYUDA

bjr

A = 5x − 2(x + 2)

   = 5x - 2*x - 2*2

   = 5x - 2x - 4

   = 3x - 4

B = 6y(2 − y) + 3

   = 6y*2 + 6y*(-y) + 3

   = 12y - 6y² + 3

   = -6y² + 12y + 3

C = (3 − 2x) × 2

   = 3*2 - 2x*2

   = 6 - 4x

   = - 4x + 6

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