8=x^2/2

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Solution for 8=x^2/2 equation: 


x in (-oo:+oo)

8 = (x^2)/2 // - (x^2)/2

8-((x^2)/2) = 0

-1/2*x^2 = -8 // : -1/2

x^2 = 16

x^2 = 16 // ^ 1/2

abs(x) = 4

x = 4 or x = -4

x in { 4, -4 }

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