raise 6 to the 4th power, add h to the result, then multiply what you have by 8

raise 6 to the 4th power, add h to the result, then multiply what you have by 8

Raise 6 to the 4th power:
6^4

add h to the result:
6^4 + h

Then multiply what we have by 8:
8(6^4 + h)