(−512−125)\left(\begin{array}{cc}-5 & 12 \\-12 & 5\end{array}\right)(−5−12125)
(5−12−125)\left(\begin{array}{cc}5 & -12 \\-12 & 5\end{array}\right)(5−12−125)
(−51212−5)\left(\begin{array}{ll}-5 & 12 \\12 & -5\end{array}\right)(−51212−5)
(−5−1212−5)\left(\begin{array}{cc}-5 & -12 \\12 & -5\end{array}\right)(−512−12−5)