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x^5*((12*x^9-(16*x^63))/4) = 0
x^5*((12*x^9-16*x^63)/4) = 0
(x^5*(12*x^9-16*x^63))/4 = 0
12*x^9-16*x^63 = 0
4*x^9*(3-4*x^54) = 0
-4*x^54 = -3 // : -4
x^54 = 3/4
x^54 = 3/4 // ^ 1/54
abs(x) = (3/4)^(1/54)
x = (3/4)^(1/54) or x = -(3/4)^(1/54)
4*x^9*(x-(3/4)^(1/54))*(x+(3/4)^(1/54)) = 0
(4*x^5*x^9*(x-(3/4)^(1/54))*(x+(3/4)^(1/54)))/4 = 0
( 4*x^9 )
4*x^9 = 0 // : 4
x^9 = 0
x = 0
( x+(3/4)^(1/54) )
x+(3/4)^(1/54) = 0 // - (3/4)^(1/54)
x = -(3/4)^(1/54)
( x-(3/4)^(1/54) )
x-(3/4)^(1/54) = 0 // + (3/4)^(1/54)
x = (3/4)^(1/54)
( x^5 )
1*x^5 = 0 // : 1
x^5 = 0
x = 0
x in { 0, -(3/4)^(1/54), (3/4)^(1/54), 0 }
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