y=-8x^2/2

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Solution for y=-8x^2/2 equation: 


x in (-oo:+oo)

y = (-8*x^2)/2 // - (-8*x^2)/2

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

4*x^2+y = 0

4*x^2 = -y // : 4

x^2 = -y/4

x^2 = -y/4 // ^ 1/2

abs(x) = ((-y)^(1/2))/2

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

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

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