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5.)(2x + 8) - (4y + 1) 6.)-5x * (3x^2 - 2x - 1)
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5.)(2x + 8) - (4y + 1)
6.)-5x * (3x^2 - 2x - 1)

User Edan Chetrit
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5) 2x + 8 - 4y - 1 = 2x - 4y + 7

6) -5x(3x² - 2x - 1) = -15x³ + 10x² + 5x

User Slava Murygin
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