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Sagot :

VINS

bonsoir

g (x) = 3 x² +  24 x + 45

α = - b / 2a =  - 24 /6 = - 4

β = 3 ( - 4 )² + 24 * - 4 + 45 = 48 - 96 + 45 = - 3

g (x) = 3 ( x + 4 )² - 3

INEQUATION

Bonjour,

g(x)=3x²+24 x +45

La forme canonique est sous forme de a(x-α)²+ β

α= -b/2a= -24/2(3)= -24/6= -4

β= 3(-4)²+24(-4) +45= -3

donc g(x)= 3(x-(-4) +(-3)

g(x)= 3(x+4)² - 3

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