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OpenStudy (anonymous):
simplifyy.
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OpenStudy (anonymous):
\[\left[\begin{matrix}-3 & 3 \\ 5 & 9\end{matrix}\right]-\left[\begin{matrix}2 & 6 \\ -5 & 11\end{matrix}\right]\]
OpenStudy (anonymous):
these are fractions right
OpenStudy (anonymous):
[-3*9-3*5]-[2*11-(-5)*6] just cross multiply in between bracket and sebtract them
OpenStudy (anonymous):
arightt??
OpenStudy (anonymous):
yup
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