Matrices & Systems · Medium problem

Let $A = \begin{pmatrix}4 & 1 & -2 \\ 2 & -2 & -3\end{pmatrix}$ and $B = \begin{pmatrix}2 & 3 \\ -1 & 2 \\ 0 & 2\end{pmatrix}$. Find the entry in row $1$, column $2$ of $AB$.