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Sagot :

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bonjour

programme 1

x

x - 3

4 ( x - 3 ) = 4 x - 12

4 x -12  + x²

= x² + 4 x - 12

si on prend  - 2

=   ( - 2 )² + 4 ( -2) - 12  = 4 - 8 - 12 = - 16

programme  2

x

x + 2

( x + 2 )² - 16

x² + 4 x + 4 - 16

=  x² + 4 x - 12

donc programme  1 = programme  2

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