Problem:
Find the eigenvalues of the following matrix (round your answer to three decimal places):
$\left(
\begin{array}{ccc}
 -9 & 8 & -8 \\
 0 & 0 & -7 \\
 4 & -7 & -5 \\
\end{array}
\right)$.
Answer:
$\{-8.426-2.252 i,-8.426+2.252 i,2.853\}$
{'source': 'AMPS', 'file': 'amps/mathematica/linear_algebra/eigenvalues/8156.txt'}