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Mathematics 21 Online
OpenStudy (anonymous):

I need help with mixed expressions and complex fractions.

OpenStudy (anonymous):

\[\left[\begin{matrix}a & b \-\ b & a\end{matrix}\right](a-\left(\begin{matrix}a ^{2} \\ a+b\end{matrix}\right))\]

OpenStudy (anonymous):

I know it looks really weird but i dont know any other way to put it

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