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Sagot :

VINS

bonjour

(2x-3) (4x+1) +x(x+1)

= 8 x² + 2 x - 12 x - 3 + x² + x

= 9 x² - 11 x - 3

Réponse:

8au carré−10x−3+xau carré +x

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