I am not sure what p 4 means, so I can't help you there.
Here are some of the possibilities:
(p^4)^2 + 6q = p^8 + 6q
(p4)^2 + 6q = 16p^2 + 6q
the product of 18 and q is: 18q
the sum of a number x and 10 is: (x + 10)
Since you did not specify what number, I let the number be an arbitrary value x.