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18-04-2020
Mathematics

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Help PLZZZ!!!!!!!!!!!!!!!!!!

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18-04-2020

Answer:

P(7) = 0

P(-1) = 0

P(-4) = 0

Step-by-step explanation:

P(x) = x³ - 2x² - 31x - 28

P(7) = 7³ - 2(7)² - 31(7) - 28 = 0

P(-1) = (-1)³ - 2(-1)² - 31(-1) - 28 = 0

P(-4) = (-4)³ - 2(-4)² - 31(-4) - 28 = 0

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