can you please send me a image how to put the answer in

Given:
The function is
[tex]x^2-4=0[/tex]The objective is to fill the box.
The given equation can be factorized as,
[tex]\begin{gathered} x^2-4=0 \\ x^2=4 \\ x=\sqrt[]{4} \\ x=\pm2 \end{gathered}[/tex]The table values will be,
Hence, the required table values are obtained.