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Sagot :

VINS

bonjour

( - 2x )² - ( - 2 x + 3 ) - 2

=  4 x² + 2 x - 3 - 2

= 4 x² + 2 x - 5

6 - 4 ( 5 - x ) - 7 x

= 6 - 20 + 4 x - 7 x

=  - 3 x - 14  

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