-1/2x^2+15=0

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Solution for -1/2x^2+15=0 equation: 


x in (-oo:+oo)

(-1/2)*x^2+15 = 0

-1/2*x^2 = -15 // : -1/2

x^2 = 30

x^2 = 30 // ^ 1/2

abs(x) = 30^(1/2)

x = 30^(1/2) or x = -30^(1/2)

x in { 30^(1/2), -30^(1/2) }

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