Here is a direct quote from my textbook:(adsbygoogle = window.adsbygoogle || []).push({});

If R is a commutative ring, we say that a polynomial d in R[x] is a divisor of f in R[x] if f = qd for some q in F[x].

My question is did they mean to put q in F[x}? q isn't in R[x]? They didn't mention F[x] before this, is F[x] the field of all polynomials or something?

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# Unique factorization over fields/rings

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