If 1+z+z^2+z^3+z^4+z^5+z^6=0, then z+z^2+z^4=?
Math for fun, an algebra challenge: if 1+z+z^2+z^3+z^4+z^5+z^6=0, then z+z^2+z^4=? Support this channel and get more content ๐ https://www.patreon.com/blackpenredpen ---------------------------------------- Big thanks to my Patrons for the full-marathon support! Ben D, Grant S, Mark M, Phill...