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The polynomial
factors to
.
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To factor the polynomial
, we can apply the Rational Root Theorem. Testing possible rational roots, we find that
works. Performing synthetic division with
, we reduce the polynomial to
. The result indicates that our polynomial factors into
.
However, since
doesn’t factor further with real numbers, we can also express the factorization over the complex numbers as
. Voilà!
And there you have it!