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Sagot :

Réponse:

Bonjour voici la réponse

B = (2t - 1)(3t + 4) + (2 - 6t) * 4

B = (6t² + 8t - 3t - 4) + 8 - 24t

B = (6t² + 5t - 4) + 8 - 24t

B = 6t² + 5t - 4 + 8 - 24t

B = 6t² - 19t + 4

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