(x^2-5)^1/2=2

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Solution for (x^2-5)^1/2=2 equation: 


x in (-oo:+oo)

((x^2-5)^1)/2 = 2 // - 2

((x^2-5)^1)/2-2 = 0

(x^2-5)/2-2 = 0

(x^2-5)/2+(-2*2)/2 = 0

x^2-2*2-5 = 0

x^2-9 = 0

(x^2-9)/2 = 0

(x^2-9)/2 = 0 // * 2

x^2-9 = 0

1*x^2 = 9 // : 1

x^2 = 9

x^2 = 9 // ^ 1/2

abs(x) = 3

x = 3 or x = -3

x in { 3, -3 }

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