1/2x^2-5=5

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


x in (-oo:+oo)

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

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

1/2*x^2 = 10 // : 1/2

x^2 = 20

x^2 = 20 // ^ 1/2

abs(x) = 2*5^(1/2)

x = 2*5^(1/2) or x = -(2*5^(1/2))

x in { 2*5^(1/2), -(2*5^(1/2)) }

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