Huilan is 6 years younger than Thomas. The sum of their ages is 64. What is Thomas's age?

37 = ending with 7

unit's digit in the cube..3

56 = ending with 6

unit's digit in the cube..2

133 = ending with

unit's digit in the cube..7

hope it : ( : )

ill join  

(づ｡◕‿‿◕｡)づ

multiply by the conjugate

the conjugate is the bottom express (6-√13) with the middle changed to +

or (6+√13)

so times it be   (6+√13)/(6+√13)