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What are the possible numbers of positive, negative, and complex zeros of f(x) = -3x^4 + 5x^3 - x^2 + 8x + 4?
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What are the possible numbers of positive, negative, and complex zeros of f(x) = -3x^4 + 5x^3 - x^2 + 8x + 4?

User Jenhan
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Positive Roots: 3 or 1
Negative Roots: 1
User Mdgrech
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