Y=1/3x^2-5

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Solution for Y=1/3x^2-5 equation: 


x in (-oo:+oo)

Y = (1/3)*x^2-5 // - (1/3)*x^2-5

Y-((1/3)*x^2)+5 = 0

Y+(-1/3)*x^2+5 = 0

-1/3*x^2 = -(Y+5) // : -1/3

x^2 = 3*(Y+5)

x^2 = 3*(Y+5) // ^ 1/2

abs(x) = 3^(1/2)*(Y+5)^(1/2)

x = 3^(1/2)*(Y+5)^(1/2) or x = -(3^(1/2)*(Y+5)^(1/2))

x in { 3^(1/2)*(Y+5)^(1/2), -(3^(1/2)*(Y+5)^(1/2)) }

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