<prompt> Gadzira shanduro yakaoma kunzwisisa yemutsara uyu Shoko rokuti FOIL pakutanga rakanga richingodaidzwa chete sechiyeuchidzo chevadzidzi vechikoro chesekondari vaidzidza algebra.  <response>: Chokwadika, shanduro yakaoma kunzwisisa zvikuru yemutsara wacho ndeiyi Shoko rokuti FOIL pakutanga raidavirwa bedzi sechiyeuchidzo chavadzidzi vechikoro chapamusoro vanodzidza algebra, asi vadzidzi vazhinji navadzidzisi muUnited States zvino vanoshandisa shoko rokuti foil seshoko rechiito rinoreva kuwedzera chigadzirwa chemabhinomi maviri . 