Réponse:
Bonsoir,
J = 3(x² - 5) - x(5x + 6)
J = 3x² - 15 - 5x² - 6x
J = -2x² - 21x - 15
K = -5(x² + 3)
K = -5x² - 15
Bonne soirée !
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Réponse:
Bonsoir,
J = 3(x² - 5) - x(5x + 6)
J = 3x² - 15 - 5x² - 6x
J = -2x² - 21x - 15
K = -5(x² + 3)
K = -5x² - 15
Bonne soirée !