Factor completely over the set of polynomials with integer coefficients:
\[x^4 - 4x^3 + 14x^2 - 4x + 13.\]
Question:
Factor completely over the set of polynomials with integer coefficients:
\[x^4 - 4x^3 + 14x^2 - 4x + 13.\]
Answer:
Let's think step by step.

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(x^2 + 1)(x^2 - 4x + 13)
Factor completely over the set of polynomials with integer coefficients:
\[x^4 - 4x^3 + 14x^2 - 4x + 13.\]
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