Y=-1/8x2-2

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Solution for Y=-1/8x2-2 equation: 


x in (-oo:+oo)

Y = (-1/8)*x^2-2 // - (-1/8)*x^2-2

Y-((-1/8)*x^2)+2 = 0

Y+(1/8)*x^2+2 = 0

1/8*x^2 = -(Y+2) // : 1/8

x^2 = -8*(Y+2)

x^2 = -8*(Y+2) // ^ 1/2

abs(x) = (-8)^(1/2)*(Y+2)^(1/2)

x = (-8)^(1/2)*(Y+2)^(1/2) or x = -((-8)^(1/2)*(Y+2)^(1/2))

x in { (-8)^(1/2)*(Y+2)^(1/2), -((-8)^(1/2)*(Y+2)^(1/2)) }

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