Given : -5 x squared = -500
The expression of the given statement is :
[tex]-5\cdot x^2=-500[/tex]Solve the equation to find x
Divide both sides by -5
[tex]\begin{gathered} \frac{-5x^2}{-5}=\frac{-500}{-5} \\ \\ x^2=100 \\ \\ x=\pm\sqrt[]{100} \\ \\ x=\pm10 \end{gathered}[/tex]