Answer:
for aerobic respiration: C6H12O6 + 6O2 → 6CO2 + 6H2O (glucose + oxygen → carbon dioxide + water)
for anaerobic respiration: C6H12O6 → 2C3H6O3 (glucose → lactic acid).
both of them count as cellular respiration however, and your question doesn't specify which one they want, so it likely depends on what you're currently learning.
Explanation:
