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Sagot :

Bonjour !

f(x)=2(x - 3)² - 18

f(x) = 2(x² - 6x + 9) - 18

f(x) = 2x² - 12x + 18 - 18

f(x) = 2x² - 12x

f(x) = 2x(x - 6)

J'espère t'avoir aidé. Bon courage !

VINS

bonjour

f (x) = 2 ( x - 3 )² - 18

f (x) =  2 ( x² - 6 x + 9) - 18

f (x) = 2 x² - 12 x + 18 - 18

f (x) = 2 x² - 12 x

f ( x ) = 2 x ( x - 6 )  

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