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Math Help - Show that the polynomial f(x) = x + 4x + 1 has no integer roots.

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    Show that the polynomial f(x) = x + 4x + 1 has no integer roots.

    Show that the polynomial f(x) = x + 4x + 1 has no integer roots.
    Last edited by mr fantastic; May 6th 2010 at 06:01 PM. Reason: Copied question from title into main body of post.
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    Find its roots. Are they integers?
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    Quote Originally Posted by feyomi View Post
    Another method is to use the rational root theorem.
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