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Sagot :

Réponse :

Bonjour

Explications étape par étape

G= -2x-6x(5x+7)(8x-6)

G = -2x -6x(40x^2-30x+56x-42)

G = -2x - 240x^3 + 180x^2 - 336x^2 + 252x

G = -240x^3 - 156x^2 + 250x

Q= 4x+5x(3x+7)(8x-6)

Q = 4x + 5x (24x^2-18x+56x-42)

Q = 4x + 120x^3 - 90x^2 + 280x^2 - 210x

Q = 120x^3 + 190x^2 - 206x

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