-1/2x^2=2

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Solution for -1/2x^2=2 equation: 


x in (-oo:+oo)

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

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

-1/2*x^2 = 2 // : -1/2

x^2 = -4

x belongs to the empty set

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