(3x2-3^8)/3

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Solution for (3x2-3^8)/3 equation: 


x in (-oo:+oo)

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

(3*x^2-6561)/3 = 0

3*x^2 = 6561 // : 3

x^2 = 2187

x^2 = 2187 // ^ 1/2

abs(x) = 27*3^(1/2)

x = 27*3^(1/2) or x = -(27*3^(1/2))

x in { 27*3^(1/2), -(27*3^(1/2)) }

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