Perform the Indicated Operation, If Possible A) $$\left[ \begin{array} { r r } 1 & 5 \\7 & 8 \\9 & - 1\end{array} \right]$$

Perform the indicated operation, if possible.
- $$\left[ \begin{array} { r r } - 1 & 4 \\0 & 4 \\8 & - 4\end{array} \right] - \left[ \begin{array} { l l } 2 & 1 \\7 & 4 \\1 & 2\end{array} \right]$$

A)
$$\left[ \begin{array} { r r } 1 & 5 \\7 & 8 \\9 & - 1\end{array} \right]$$
B)
$\left[ \begin{array} { r r } - 3 & 3 \\ - 7 & 0 \\ 7 & - 6 \end{array} \right]$

C)
$\left[ \begin{array} { r r } 1 & 3 \\ 7 & 0 \\ 7 & - 2 \end{array} \right]$
D)
$$\left[ \begin{array} { r r } 3 & - 3 \\7 & 0 \\- 7 & 6\end{array} \right]$$

Correct Answer:

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