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x in (-oo:+oo)
10*x^6+((8^4)/2)*x^2 = 0
10*x^6+2048*x^2 = 0
t_1 = x^2
10*t_1^3+2048*t_1^1 = 0
10*t_1^3+2048*t_1 = 0
2*t_1*(5*t_1^2+1024) = 0
5*t_1^2 = -1024 // : 5
t_1^2 = -1024/5
2*t_1 = 0
2*t_1 = 0 // : 2
t_1 = 0
t_1 = 0
x^2+0 = 0
x^2 = 0
1*x^2 = 0 // : 1
x^2 = 0
x = 0
x = 0
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