If \( x^{2} - 5 = 20\), what is the value of x?

5

Explanation

First, add 5 to both sides to isolate x: \(x^{2} - 5 + 5 = 20 + 5 \)

\( x^{2} = 25\)

Then, take the square root of both sides to solve for x, \(\frac{{\sqrt x }}{{{x^2}}} = \frac{{\sqrt x }}{{25}} \), x = 5

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