![A=\left[\begin{array}{ccc}1 & 7 & -3 \\5 & 2 & 1 \\-1 & 2 & -4\end{array}\right]](/tpl/images/0543/8165/a2e61.png)
![B=\left[\begin{array}{ccc}5 & 7 & 3 \\-3 & 7 & 9 \\2 & 5 & 2\end{array}\right]](/tpl/images/0543/8165/0570f.png)
Simplify each element.![BA=\left[\begin{array}{ccc}5+35-3&35+14+6&-15+7-12\\-3+35-9&-21+14+18&9+7-36\\2+25-2&14+10+4&-6+5-8\end{array}\right]](/tpl/images/0543/8165/1260d.png)
If A= and B= Find BA.
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