🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsTiếng ViệtTürkçeРусскийالعربيةفارسی한국어中文日本語EntityQ657482· pop 24· linked from 79 articlesAbel–Ruffini theoremtheorem that a generic equation of degree 5 or higher cannot be solved by radicalsAvailable in 24 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةConnectionsnth rootEntityAugustin-Louis CauchyEntityCategoriesGalois theoryNiels Henrik AbelSolvable groupsTheorems about polynomials