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Multiply matrices

Problem

E=[3511]\text E = \left[\begin{array}{rr}3 & 5 \\ -1 & 1\end{array}\right] and A=[223352]\text A = \left[\begin{array}{rrr}-2 & 2 & 3 \\ 3 & 5 & -2\end{array}\right]
Let start text, H, space, =, space, E, A, end text. Find start text, H, end text.
start bold text, H, space, =, space, end bold text
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