1/2x^2-5=45

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Solution for 1/2x^2-5=45 equation: 


x in (-oo:+oo)

(1/2)*x^2-5 = 45 // - 45

(1/2)*x^2-45-5 = 0

1/2*x^2 = 50 // : 1/2

x^2 = 100

x^2 = 100 // ^ 1/2

abs(x) = 10

x = 10 or x = -10

x in { 10, -10 }

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