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OpenStudy (anonymous):
Part 1 [3 points]: What are the possible number of positive, negative, and complex zeros of f(x) = –2x^3 – 5x^2 + 6x + 4 ? Part 2 [4 points]: Use complete sentences to explain the method used to solve this equation.
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OpenStudy (cwrw238):
use Descartes rule of signs - google it - Purple Math give a good account of this
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