In order to find the solution of this quadratic equation, we can do the following steps:
[tex]\begin{gathered} m^2-11=38 \\ m^2=38+11 \\ m^2=49 \\ m=\pm\sqrt[]{49} \\ m=\pm7 \end{gathered}[/tex]
Since the valid result is only the positive value, the positions 3I and 7E should be filled with the value 7.
