The shell command
"/home/hocmai/cgi-bin/mimetex.linux" -e "/home/hocmai/moodledata/filter/tex/fb99380f6f3564b25d09a78ff23cb96d.gif" -- '\Large 4^x - 3^{x - \frac{1}{2}} = 3^{x + \frac{1}{2}} - 2^{2x - 1} '
returned status = 126
Image not found!
Please try the debugging script