Practice problem
Evaluate: [4−3792−6]−[2−39835]\begin{bmatrix} 4 & -3 & 7\\ 9 & 2 & -6\\ \end{bmatrix} - \begin{bmatrix} 2 & -3 & 9\\ 8 & 3 & 5\\ \end{bmatrix}[49−327−6]−[28−3395]
[6−616175−1]\begin{bmatrix} 6 & -6 & 16\\ 17 & 5 & -1\\ \end{bmatrix}[617−6516−1]
[20211−11]\begin{bmatrix} 2 & 0 & 2\\ 1 & 1 & -11\\ \end{bmatrix}[21012−11]
[2−6−21−1−11]\begin{bmatrix} 2 & -6 & -2\\ 1 & -1 & -11\\ \end{bmatrix}[21−6−1−2−11]
[20−21−1−11]\begin{bmatrix} 2 & 0 & -2\\ 1 & -1 & -11\\ \end{bmatrix}[210−1−2−11]
Type a concept, like “slope” or “photosynthesis”.