#mathnUnmoderated tagAll postsExplore CommunitiesTrending CommunitiesNewcomers' CommunitySteemit FeedbackSteemitCryptoAcademyআমার বাংলা ব্লগKorea • 한국 • KR • KOSteem AllianceSTEEM CN/中文Comunidad LatinaWORLD OF XPILARAVLE 일상SCT.암호화폐.CryptoBeauty of Creativity#mathnTrendingHotNewPayoutsMutedthurrein (54)in #mathn • 7 years agooctober testSets The set A = { x\ x2 – 7x + 12 =0 } is A.{ 3 , 4 } B. { -3 , 4 } C.{ 3 , -4 } D.{ -3 , -4 } E.…