For subtracting matrices, their dimension should be equal.
\First write the dimension of the matrix.
\The dimensions of matrix B and C are .
The operation 3B2C is possible.
Multiply the matrix B by 3.
\ (Multiply each element by 3)
(Simplify)
Multiply the matrix C by 2.
\
(Multiply each element by 2)
(Simplify)
Perform the operation 3B2C.
(Subtract corresponding elements)
(Simplify)
The value of (3B2C) is
.