Find the Indicated Matrix $\mathrm { A } = \left[ \begin{array} { r r r } - 4 & 6 & 7 \\ 3 & - 5 & 12 \\ 7 & - 11 & 14 \end{array} \right]$

Multiple Choice

Find the indicated matrix.
-Let $\mathrm { A } = \left[ \begin{array} { r r r } - 4 & 6 & 7 \\ 3 & - 5 & 12 \\ 7 & - 11 & 14 \end{array} \right]$ and $\mathrm { B } = \left[ \begin{array} { r r r } 6 & 10 & - 4 \\ - 5 & 6 & - 8 \\ 3 & 11 & 7 \end{array} \right]$ . Find $\mathrm { A } - \mathrm { B }$

A) $\left[ \begin{array} { c c c } 10 & 4 & - 11 \\ - 8 & 11 & - 20 \\ - 4 & 22 & - 7 \end{array} \right]$
B) $\left[ \begin{array} { r r r } 2 & 16 & 3 \\ - 2 & 1 & 4 \\ 10 & 0 & 21 \end{array} \right]$
C) $\left[ \begin{array} { r r r } - 10 & - 4 & 11 \\ 8 & - 11 & 20 \\ 4 & - 22 & 7 \end{array} \right]$
D) $\left[ \begin{array} { r r r } - 10 & - 4 & 3 \\ - 2 & - 11 & 4 \\ 4 & - 22 & 7 \end{array} \right]$