How to get rid of ex who invested in business?

I own a business in which I allowed my ex to become co owner and be my associate. They invested money into remodeling my business and now I can’t seem to get them to move on. All we do is fight about money and I can’t get rid of them. What should I do? I’m in love with a whole other person who wants me to get my ex out of my life but they are involved in my business and I regret it. What can I do?

How to get rid of ex who invested in business?
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