1/2x^2+3=8

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Solution for 1/2x^2+3=8 equation: 


x in (-oo:+oo)

(1/2)*x^2+3 = 8 // - 8

(1/2)*x^2-8+3 = 0

1/2*x^2 = 5 // : 1/2

x^2 = 10

x^2 = 10 // ^ 1/2

abs(x) = 10^(1/2)

x = 10^(1/2) or x = -10^(1/2)

x in { 10^(1/2), -10^(1/2) }

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