The shell command
"/l/www/moodle/filter/tex/mimetex.linux" -e "/m/floppy/avle/moodledata/filter/tex/5e26aacce8c44f4621290ae2a677971a.gif" -- '\Large
x_2 = x_1 - \frac{f(9/4)}{f'\''(9/4)} = \frac{9}{4} - \frac{27/16-5}{2\cdot 9/4} = \frac{161}{72}
\approx 2.2361.
'
returned status = 126
Image not found!
Please try the debugging script