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How many rational roots does x3 + 2x2 + 8x + 16 = 0 have

How many rational roots does x3 + 2x2 + 8x + 16 = 0 have
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How many rational roots does x3 + 2x2 + 8x + 16 = 0 have

User Deshan
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it has 3 rational root,you know this by the exponent. it has 0 positive rational root, and 3 negative

hope this helps
User TheDaveJay
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