ANSWER
[tex]x=8[/tex]EXPLANATION
We want to find the value of x in:
[tex]x^2=64[/tex]To do this, we have to find the square root of both sides of the equation:
[tex]\begin{gathered} \sqrt[]{x^2}=\sqrt[]{64} \\ x=\sqrt[]{8\cdot8} \\ x=8 \end{gathered}[/tex]That is the answer.
