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Sagot :

Bonjour

G = 5x² + 1 + 3x + 14 + 2x² + 1

G = 5x² + 2x² + 3x + 1 + 1 + 14

G = 7x² + 3x + 16

H = 6 + 6x + 8x² - 9x - x² + 4

H = 8x² - x² + 6x - 9x + 6 + 4

H = 7x² - 3x + 10

I = 9x² - xy + 17 + 4y² + 5xy + 8x² - 11

I = 9x² + 8x² - xy + 5xy + 4y² + 17 - 11

I = 17x² + 4xy + 4y² + 6.

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