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Sagot :

VINS

bonjour

A = 50 - x - 20 = - x + 30

B = - 10 - x + x +5 = -5

C = x² - 4 x - 5 x² - 2 x + 1 = - 4 x² - 6 x + 1

D = - 3 + x - x² - 2 x + 3 x² - 8 = 2 x² - x - 11

E = x - 4 - 2 - x + x + 5 = x - 1

allez termine

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