college algebra

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Form a polynomial, f(x), with real coefficients having the given degree and zeros.
Degree 3; zeros: 1 + i and -10

  • algebra -

    Hint: If x = 1+i is a root, x = 1 -i must also be a root. Comples roots occur in pairs.

    So (x+10), (x- 1 -i) and x -1 + i) must be factors.

    Multiply all that out for a third order polynomial.

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