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Sagot :

Bonsoir,

a. x = 3

(2 * 3 + 3)(5 * 3 + 2) = (6+3)(15+2)

= 9 * 17

= 153

b. x = 0

(2 * 0 + 3)(5 * 0 + 2) = (0+3)(0+2)

= 3 * 2

= 6

c. x = 2,5

(2 * 2,5 + 3)(5 * 2,5 + 2) = (5+3)(12,5 + 2)

= 8 * 14,5

= 116

Bonne soirée ^^

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