x^2=2/5y

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


x in (-oo:+oo)

x^2 = (2/5)*y // - (2/5)*y

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

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

1*x^2 = -(-2/5*y) // : 1

x^2 = 2/5*y

x^2 = 2/5*y // ^ 1/2

abs(x) = (2/5)^(1/2)*y^(1/2)

x = (2/5)^(1/2)*y^(1/2) or x = -((2/5)^(1/2)*y^(1/2))

x in { (2/5)^(1/2)*y^(1/2), -((2/5)^(1/2)*y^(1/2)) }

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