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x*((6*x-(48*x^2))/6) = 0
x*((6*x-48*x^2)/6) = 0
(x*(6*x-48*x^2))/6 = 0
6*x-48*x^2 = 0
6*x*(1-8*x) = 0
1-8*x = 0 // - 1
-8*x = -1 // : -8
x = -1/(-8)
x = 1/8
6*x*(x-1/8) = 0
(6*x*x*(x-1/8))/6 = 0
( 6*x )
6*x = 0 // : 6
x = 0
( x-1/8 )
x-1/8 = 0 // + 1/8
x = 1/8
( x )
x = 0
x in { 0, 1/8, 0 }
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