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 2019-11-12, 21:31 #3 alpertron     Aug 2002 Buenos Aires, Argentina 31·43 Posts I started Firefox 70.0.1 on Windows 10, entered .4-1 so it showed x^4-1 in the polynomial box, then I pressed the Factor button. The output with Pretty Print disabled is: Code: x^4 − 1 Irreducible polynomial factors: x − 1 x + 1 x^2 + 1 Roots: x1 = 1 x2 = -1 x3 = - 1 *i x4 = 1 *i Time elapsed: 0d 0h 0m 0.0s I do not have that NoScript plugin.