$\"\"$

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For subtracting matrices, their dimension should be equal.

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First write the dimension of the matrix.

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The dimensions of matrix are $\"\"$ .

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The operation is possible. $\"\"$

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Multiply the matrix by $\"\"$ .

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$\"\"$

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$\"\"$ (Multiply each element by $\"\"$ )

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$\"\"$ (Simplify) $\"\"$

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Multiply the matrix by $\"\"$ .

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$\"\"$

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$\"\"$ (Multiply each element by $\"\"$ )

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$\"\"$ (Simplify) $\"\"$

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Perform the operation

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$\"\"$

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$\"\"$ (Subtract corresponding elements)

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$\"\"$ (Simplify) $\"\"$

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The value is $\"\"$ .