Complex sentence: Tallaght lost its multiplex 12-screen cinema operated by United Cinemas International on 8 March 2010 due to required modernisation being deemed unviable, but in April 2012 a modernised 13-screen cinema operated by I.M.C. opened in place of the old one.
Split into simpler sentences: Tallaght lost its multiplex 12-screen cinema operated by United Cinemas International on 8 March 2010 due to required modernisation being deemed unviable. However, in April 2012, a new, modernised 13-screen cinema operated by I.M.C. opened in place of the old one.