🌐Tiếng ViệtEnglishBahasa IndonesiaDeutschEspañolItalianoPolskiPortuguêsTiếng ViệtРусскийالعربيةفارسی한국어中文日本語EntityQ11420049· pop 20· linked from 113 articlesPhương trình bậc bốnfunction defined by a polynomial of degree fourAvailable in 19 languagesDeutsch中文日本語العربيةBahasa IndonesiaBanglaBosnianFilipinoFinnishKhmerConnectionspolynomialEntitymaxima and minimaEntityCategoriesElementary algebraEquationsPolynomial functions