-1/4x2-2=y

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Solution for -1/4x2-2=y equation: 


x in (-oo:+oo)

(-1/4)*x^2-2 = y // - y

(-1/4)*x^2-y-2 = 0

-1/4*x^2 = -(-y-2) // : -1/4

x^2 = -4*(y+2)

x^2 = -4*(y+2) // ^ 1/2

abs(x) = (-4)^(1/2)*(y+2)^(1/2)

x = (-4)^(1/2)*(y+2)^(1/2) or x = -((-4)^(1/2)*(y+2)^(1/2))

x in { (-4)^(1/2)*(y+2)^(1/2), -((-4)^(1/2)*(y+2)^(1/2)) }

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