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\MATRIXPRODUCT(1,-1,2;3,0,5;-1,1,4)%
              (3,5,-1;-3,2,-5;1,-2,3)%
                (\sola,\solb,\solc;
                 \sold,\sole,\solf;
                 \solg,\solh,\soli)
\begin{multline*}
\begin{bmatrix}
       1 & -1 & 2 \\ 3 & 0 & 5 \\ -1 & 1 & 4
     \end{bmatrix}
\begin{bmatrix}
       3 & 5 & -1 \\ -3 & 2 & -5 \\ 1 & -2 & 3
     \end{bmatrix}\\
=\begin{bmatrix}
       \sola & \solb & \solc \\
       \sold & \sole & \solf \\
       \solg & \solh & \soli
\end{bmatrix}
\end{multline*}