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