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Sagot :

VINS

bonsoir

B =  x² + 6 x - 4 x - 24

=  x² + 2 x - 28

C = 2 a² - 7 a - 10 a + 35

= 2 a² - 17 a + 35

D = 4 x + 12 - x ³ - 3 x²

= - x ³ - 3 x² + 4 x + 12

E = 15 x² + 3 x - 10 x - 2

= 1 5x² - 7 x - 2

F = - 4 - 12 x + 2 x + 6 x²

= 6 x² - 10 x - 4

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