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Sagot :

MAUDMARINE

Bonjour

a. x = 3 et y = 7

- x² + 2y

= (- 3)² + 2 * 7

= 9 + 14

= 23

b. x = - 3 et y = - 8

- x² + 2y

= - (- 3)² + 2 * (- 8)

= - 9 - 16

= - 25.

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