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Sagot :

DGESSON

Explications étape par étape:

a) x = 14. x = - 14

b) x = 0

c) x = 12. x = - 12

d) x = 4 x = 2

e) x = racine de 2 - 1 x = - ( racine de 2 + 1 )

f) x = 2 x = 1/2

g) x = 5. x = - 5 x = - 25

h) x = 0

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