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(3*x^9)/2+(1/2)*x = 0
3/2*x^9+1/2*x = 0
1/2*x*(3*x^8+1) = 0
3*x^8 = -1 // : 3
x^8 = -1/3
x/2 = 0
1/2*x = 0 // : 1/2
x = 0
x = 0
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