x^2/4-15=8

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Solution for x^2/4-15=8 equation: 


x in (-oo:+oo)

(x^2)/4-15 = 8 // - 8

(x^2)/4-15-8 = 0

1/4*x^2 = 23 // : 1/4

x^2 = 92

x^2 = 92 // ^ 1/2

abs(x) = 2*23^(1/2)

x = 2*23^(1/2) or x = -(2*23^(1/2))

x in { 2*23^(1/2), -(2*23^(1/2)) }

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