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Sagot :

VINS

bonjour

C = - 16 x² - ( 4 x -1  ) ( 4 x + 1 )

C = - 16 x² - ( 16 x² - 1 )

C = - 16 x² - 16 x² + 1

= - 32 x² +  1

Bonjour,

C = -16x²- (4x- 1)(4x+1)

= -16x²  -( 16x² -1)

=  -16x²  -16x² +1

= -32x² +1

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