First step you should do when simplifying this expression is by distributing it..
=(8)(5)+(8)(t)+(−6)(t)+(−6)(1)
=40+8t+−6t+−6
Second is to Combine Like Terms..
=40+8t+−6t+−6
=(8t+−6t)+(40+−6)
Then you should get the answer:
=2t+34
Good luck and Happy new years!! ^-^