#mathnUnmoderated tagAll postsExplore CommunitiesTrending CommunitiesNewcomers' CommunitySteemitCryptoAcademySteemit Feedbackআমার বাংলা ব্লগSteem POD TeamKorea • 한국 • KR • KOSteem AllianceAVLE 일상STEEM CN/中文Tron Fan ClubBeauty of CreativityComunidad Latina#mathnTrendingHotNewPayoutsMutedthurrein (54)in #mathn • 8 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.…