Certified GKH Gardening Expert
I wouldn't touch the "mama" plant. This Sago Palm will not like to be disturbed much. You can move the container, and split off those "pups" on the sides of the main trunk, but don't do anything with the main truck.
This article will help: https://www.gardeningknowhow.com/ornamental/trees/sago-palm/splitting-sago-palm-plant.htm
This article will help you to care for Sagos: https://www.gardeningknowhow.com/ornamental/trees/sago-palm/how-to-care-for-sago-palms.htm