#mathnUnmoderated tagAll postsTrending CommunitiesSteemitCryptoAcademyNewcomers' Communityআমার বাংলা ব্লগKorea • 한국 • KR • KOSTEEM CN/中文Steem POD TeamSteem AllianceAVLE 일상Beauty of CreativityWORLD OF XPILARSCT.암호화폐.CryptoTron Fan ClubExplore Communities...#mathnTrendingHotNewPayoutsMutedthurrein (54)in #mathn • 6 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.…