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Sagot :

MAUDMARINE

Bonjour

E = 6x - 18

E = 6 (x + 3)

F = 5x² + 45x²

F = 5x² (1 + 9)

G = (x + 3) (4x - 5) - (2x - 10) (x + 3)

G = (x + 3 [(4x - 5) - (2x - 10)]

G = (x + 3) (4x - 5 - 2x + 10)

G = (x + 3) (2x + 5)

TELEPHONE16

Réponse :

Bonjour

Explications étape par étape :

Factoriser

F = 5x² + 45x

F = 5x (x +9)

E =  6x - 18

E = 6 (x -3)

G = (x + 3) (4x - 5) - (2x - 10) (x + 3)

G = ( x + 3) ( 4x -5 - 2x +10)

G = ( x + 3) ( 2x +5)

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