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((x-3)^1)/3-(((x-3)^2)/3) = 0
(x-3)/3-(((x-3)^2)/3) = 0
(x-3)/3+(-1*(x-3)^2)/3 = 0
x-1*(x-3)^2-3 = 0
7*x-x^2-12 = 0
7*x-x^2-12 = 0
7*x-x^2-12 = 0
DELTA = 7^2-(-12*(-1)*4)
DELTA = 1
DELTA > 0
x = (1^(1/2)-7)/(-1*2) or x = (-1^(1/2)-7)/(-1*2)
x = 3 or x = 4
(x-3)*(x-4) = 0
((x-3)*(x-4))/3 = 0
((x-3)*(x-4))/3 = 0 // * 3
(x-3)*(x-4) = 0
( x-3 )
x-3 = 0 // + 3
x = 3
( x-4 )
x-4 = 0 // + 4
x = 4
x in { 3, 4 }
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