factor (x**4/2+5*x**3/12-x**2/3)

solve(x**2*(2*x - 1)*(3*x + 4)/12, x)

diff(x**2*(2*x - 1)*(3*x + 4)/12, x)

series(x**2*(2*x - 1)*(3*x + 4)/12, x, 0, 10)

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