Complex sentence: He racked up huge debts and Turner simply could not afford to keep the studio under those circumstances; to recoup his investment, he sold all of United Artists and the MGM trademark back to Kerkorian.
Split into simpler sentences: He racked up huge debts and Turner simply could not afford to keep the studio under those circumstances. To recoup his investment, he sold all of United Artists and the MGM trademark back to Kerkorian.