Algebra Examples

$[\begin{array}{c} 1 & - 2 & 1 \end{array}] [\begin{array}{c} 4 & - 5 & - 6 \end{array}]$

Step 1

Matrices can only be multiplied if the number of columns in the first matrix is equal to the number of rows in the second matrix. The matrices cannot be multiplied.

$[\begin{array}{c} 1 & - 2 & 1 \end{array}] [\begin{array}{c} 4 & - 5 & - 6 \end{array}]$