x^2-k/20=0

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Solution for x^2-k/20=0 equation: 


x in (-oo:+oo)

x^2-(k/20) = 0

1*x^2 = -(-1/20*k) // : 1

x^2 = 1/20*k

x^2 = 1/20*k // ^ 1/2

abs(x) = (1/20)^(1/2)*k^(1/2)

x = (1/20)^(1/2)*k^(1/2) or x = -((1/20)^(1/2)*k^(1/2))

x in { (1/20)^(1/2)*k^(1/2), -((1/20)^(1/2)*k^(1/2)) }

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