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Sagot :

Bonjour,

1) P₁ = 2(x+5+3x)

  P₂ = x+2(5-x)+7x

2) A₁ = x(5+3x)

   A₂ = x(5-x)+(2x)²

3) 2(x+5+3x) = 8x+10

   x+2(5-x)+7x = 6x+10

    x(5+3x) = 3x²+5x

    x(5-x)+(2x)² = 3x²+5x

4) Anne se trompe car 8x+10 ≠ 6x+10

   Brice a raison

   

   

   

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