8x^2=2/5

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Solution for 8x^2=2/5 equation: 


x in (-oo:+oo)

8*x^2 = 2/5 // - 2/5

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

8*x^2-2/5 = 0

8*x^2 = 2/5 // : 8

x^2 = 1/20

x^2 = 1/20 // ^ 1/2

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

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

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

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