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6409
@6409
January 2021
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Un peu d'aide ne serait pas de refus svp. Merci
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PAU64
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A. A = (- 2x + 5) (3x + 4) + 2x (3x + 1,5) - 20
A = - 2x * 3x - 2x * 4 + 5 * 3x + 5 * 4 + 2x * 3x + 2x * 1,5 - 20
A = - 6x² - 8x + 15x + 20 + 6x² + 3x - 20
A = 10x
b. Pour x = 391,2
A = 10x
A = 10 * 391,2
A = 3 912
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PAU64
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6409
January 2021 | 0 Respostas
A=(-2x+5)(3x+4)+2x(3x+1,5)-20
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6409
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Svp aidez moi pour l'exercice 2, merci.
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Svp aidez moi pour l'exercice 2. Merci
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Svp aidez moi pour l'exercice 2. Merci
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Lista de comentários
Verified answer
A. A = (- 2x + 5) (3x + 4) + 2x (3x + 1,5) - 20A = - 2x * 3x - 2x * 4 + 5 * 3x + 5 * 4 + 2x * 3x + 2x * 1,5 - 20
A = - 6x² - 8x + 15x + 20 + 6x² + 3x - 20
A = 10x
b. Pour x = 391,2
A = 10x
A = 10 * 391,2
A = 3 912