cailin19 cailin19

12-12-2018
Mathematics

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Find any rational root of P(x).

p(x) = x^3 + 5x^2 + x + 5

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tanedoll tanedoll

12-12-2018

Answer:

P(x) = (x + 5) (x + 1)(x -1)

Step-by-step explanation:

P(x) = x³ + 5x² – x – 5

P(x) = x²(x+5) - (x + 5)

P(x) = (x + 5)(x² - 1)

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