Problem:
Multiply
$\left(
\begin{array}{ccccc}
 1 & 2 & -1 & 0 & 2 \\
 2 & 0 & 2 & 1 & -2 \\
\end{array}
\right)$ and
$\left(
\begin{array}{cccc}
 2 & -1 & -2 & 1 \\
 3 & -1 & 0 & -1 \\
 2 & 0 & -2 & 1 \\
 -2 & 2 & 3 & 3 \\
 1 & 2 & -3 & 3 \\
\end{array}
\right)$.
Answer:
$\left(
\begin{array}{cccc}
 8 & 1 & -6 & 4 \\
 4 & -4 & 1 & 1 \\
\end{array}
\right)$
{'source': 'AMPS', 'file': 'amps/mathematica/linear_algebra/multiply/29663.txt'}