2-9x2/3

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Solution for 2-9x2/3 equation: 


x in (-oo:+oo)

2-((9*x^2)/3) = 0

2-3*x^2 = 0

-3*x^2 = -2 // : -3

x^2 = 2/3

x^2 = 2/3 // ^ 1/2

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

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

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

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