Wurzelgleichung lösen

Link zu Maxima Online: http://maxima-online.org/?inc=r-555241933

(%i1) load(to_poly_solver);
(%o1) /usr/share/maxima/5.21.1/share/contrib/to_poly_solver.mac
(%i2) g:sqrt(x+2)-2=0;
(%o2)                         sqrt(x + 2) - 2 = 0
(%i3) to_poly_solve(g,x);
(%o3)                           %union([x = 2])
(%i4)