Complex sentence: Maughan attended the Royal Academy of Dramatic Art when she was 18 years old and went on to act in several television series including "The Main Chance", "Shabby Tiger", "The Enigma Files" and "The Flame Trees of Thika".
Split into simpler sentences: Maughan attended the Royal Academy of Dramatic Art when she was 18 years old. She initially acted in several television series including "The Main Chance", "Shabby Tiger", "The Enigma Files" and "The Flame Trees of Thika".