(9x^2-27)/2=1

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Solution for (9x^2-27)/2=1 equation: 


x in (-oo:+oo)

(9*x^2-27)/2 = 1 // - 1

(9*x^2-27)/2-1 = 0

(9*x^2-27)/2+(-1*2)/2 = 0

9*x^2-1*2-27 = 0

9*x^2-29 = 0

(9*x^2-29)/2 = 0

(9*x^2-29)/2 = 0 // * 2

9*x^2-29 = 0

9*x^2 = 29 // : 9

x^2 = 29/9

x^2 = 29/9 // ^ 1/2

abs(x) = (29/9)^(1/2)

x = (29/9)^(1/2) or x = -(29/9)^(1/2)

x in { (29/9)^(1/2), -(29/9)^(1/2) }

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