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((6*x-1)^2)/3 = (x^1)/3 // - (x^1)/3
((6*x-1)^2)/3-((x^1)/3) = 0
((6*x-1)^2)/3-(x/3) = 0
((6*x-1)^2)/3-x/3 = 0
(6*x-1)^2-x = 0
36*x^2-13*x+1 = 0
36*x^2-13*x+1 = 0
36*x^2-13*x+1 = 0
DELTA = (-13)^2-(1*4*36)
DELTA = 25
DELTA > 0
x = (25^(1/2)+13)/(2*36) or x = (13-25^(1/2))/(2*36)
x = 1/4 or x = 1/9
(x-1/9)*(x-1/4) = 0
((x-1/9)*(x-1/4))/3 = 0
((x-1/9)*(x-1/4))/3 = 0 // * 3
(x-1/9)*(x-1/4) = 0
( x-1/4 )
x-1/4 = 0 // + 1/4
x = 1/4
( x-1/9 )
x-1/9 = 0 // + 1/9
x = 1/9
x in { 1/4, 1/9 }
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