The Reds returned to the top of Group C with the victory thanks to goals from Roberto Firmino, Mohamed Salah (two) and Sadio Mane.
The hosts had to be patient, however, as their opponents looked to stifle their early attacking forays, but the breakthrough after 20 minutes signalled the start of their control of the contest.
Gomez told Liverpoolfc.com: “It’s always nice to get a solid result with some good goals and a clean sheet obviously as well.
“It was important that we got some more points on the board for the group and we’ve just got to continue it now and keep making steps.