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Mathematics 6 Online
OpenStudy (anonymous):

Using the given zero, find all other zeros of f(x). -2i is a zero of f(x) = x4 - 45x2 - 196

OpenStudy (anonymous):

factor

OpenStudy (anonymous):

\[(x^2+4)(x^2-49)\] etc

OpenStudy (anonymous):

so i would get x=-2 and x=7?

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