(6x radical Y / x + 3 / radical XY) - (4Y radical X / y + radical 36xy), where x = 3 / 2, y = 27

(6x radical Y / x + 3 / radical XY) - (4Y radical X / y + radical 36xy), where x = 3 / 2, y = 27

This problem is very simple. Think about it carefully