Given the equation:
[tex]x^2=225[/tex]
Let's solve using the square root method.
Take the square root of both sides:
[tex]\begin{gathered} \sqrt{x^2}=\pm\sqrt{225} \\ \\ x=\pm15 \end{gathered}[/tex]
Therefore, the solution to the equation is:
[tex]x=\pm15[/tex]
ANSWER:
[tex]x=\pm15[/tex]
