Solution
= Solution
Subtract corresponding entries in the two <matrices>:
$$
\boxed{\begin{pmatrix}2&-10&15\\-6&-3&-6\end{pmatrix}.}
$$
Both matrices have shape $2\times3$, so this subtraction is defined.
= Solution
Subtract corresponding entries in the two <matrices>:
$$
\boxed{\begin{pmatrix}2&-10&15\\-6&-3&-6\end{pmatrix}.}
$$
Both matrices have shape $2\times3$, so this subtraction is defined.