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Sagot :

CO0309

Réponse:

Exercice 1 :

1. x = 0

2. x < 5

3. x < 11

Exercice 2 :

A = 3x^2 + 7x + 4

B = 24x

C = -4x^2 + 2x + 9

D = 3x^2 + 9x - 12

E = 135x^3 + 48x^2 - 277x + 30

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