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12 July, 22:29

Rational root theorem

f (x) = x² - 64

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Answers (1)
  1. 13 July, 02:07
    0
    Step-by-step explanation:

    x=8

    f (8) = 8²-64=64-64=0

    f (-8) = (-8) ²-64=64-64=0

    x+8, x-8 are factors.
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