1/2x^2-8=-5

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Solution for 1/2x^2-8=-5 equation: 


x in (-oo:+oo)

(1/2)*x^2-8 = -5 // + 5

(1/2)*x^2-8+5 = 0

1/2*x^2 = 3 // : 1/2

x^2 = 6

x^2 = 6 // ^ 1/2

abs(x) = 6^(1/2)

x = 6^(1/2) or x = -6^(1/2)

x in { 6^(1/2), -6^(1/2) }

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