2t^3-t=54 find t
2t^3 - t - 54 = 0
cubics are hard to solve algebraically. You will need a graphical or numeric method. See
http://www.wolframalpha.com/input/?i=2t^3+-+t+-+54
cubics are hard to solve algebraically. You will need a graphical or numeric method. See
http://www.wolframalpha.com/input/?i=2t^3+-+t+-+54