Suppose that R(x) is a polynomial of degree 12 whose coefficients are real numbers. Also, suppose

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complex numbers, maximum number of roots, Descartes, complex roots, imaginary numbers, precalculus
Suppose that R(x) is a polynomial of degree 12 whose coefficients are real numbers. Also, suppose that R (x) has the following zeros 7, 2-i and -5i.
a) Find the other zeroes
b) Find the maximum number of real and complex zeroes
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