Posted by john on Tuesday, September 13, 2011 at 10:52am.
(-9 - sqrt(-3))^2 =
(-9 - sqrt(3*-1)^2=
(-9 - isqrt(3))^2 =
81 + 18isqrt3 + 3 =
3(27 + 6isqrt3 + 1).
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