Scored this ficus today and its extremely pot bound and straight.. had to give it a hair cut to fit it in my corolla

It needs to be root pruned and cut back significantly and i was wondering if you can recommend where i could chop this back too and can i root prune as well.. or do one or the other..
Got the tops of the tree too and thinking about trying to root these thick cuttings if possible and whats the best way to do this.
Cheers