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9 April, 14:44

Complete the steps to find all zeroes of the function f (x) = x4 - 4x3 - 4x2 + 36x - 45. This function has roots.

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  1. 9 April, 14:55
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    this function has 4 roots.
  2. 9 April, 15:02
    0
    Steps?

    A graph shows zeros to be ±3. Factoring those out leaves the quadratic

    (x-2) ² + 1

    which has complex roots 2±i.

    The function has roots - 3, 3, 2-i, 2+i.
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