Answer:
Step-by-step explanation:
[tex]\left[\begin{array}{ccc}-4&8\\3&12\end{array}\right]-\left[\begin{array}{ccc}2&1\\-14&15\end{array}\right] \\\\\\=\left[\begin{array}{ccc}-4-2&8-1\\3-[-14]&12-15\end{array}\right]\\\\\\=\left[\begin{array}{ccc}-6&7\\17&-3\end{array}\right][/tex]
