Algebra Examples

$[\begin{array}{c} 1 & 0 & 2 & 7 \\ 0 & 1 & - 2 & 5 \\ 0 & 0 & 0 & - 3 \end{array}]$

Step 1

Nothing further can be done with this topic. Please check the expression entered or try another topic.

$[\begin{array}{c} 1 & 0 & 2 & 7 \\ 0 & 1 & - 2 & 5 \\ 0 & 0 & 0 & - 3 \end{array}]$