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Sagot :

VINS

bonjour

3 x + 20 x - 10 x² - 2 x² + 6 x - 10

=  - 12 x² + 29 x - 10

8 + 2 x - 6 x²  + 8 x + 15 x - 5 x²

=  - 11 x² +  25 x + 8

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