Answer:
perdemos
Step-by-step explanation:
The verb perder is a stem-changing (or boot) verb. However, this never affects the nosotros and vosotros forms of the verb.
Here is the full present tense conjugation of perder:
yo pierdo
tu pierdes
el/ella pierde
nosotros perdemos
vosotros perdéis
ellos/ellas pierden
Hope this is helpful :))