Here's the question you clicked on:
mariahadanielriley12
simplifyy.
\[\left[\begin{matrix}-3 & 3 \\ 5 & 9\end{matrix}\right]-\left[\begin{matrix}2 & 6 \\ -5 & 11\end{matrix}\right]\]
these are fractions right
[-3*9-3*5]-[2*11-(-5)*6] just cross multiply in between bracket and sebtract them