Question 255026
{{{x^3-1 = 0}}}
{{{(x-1)*(x^2+x+1) = 0}}}
x = 1
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*[invoke solve_quadratic_equation 1,1,1]
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= {{{(1/2)*(1 + isqrt(3))}}}
= {{{(1/2)*(1 - isqrt(3))}}}