Hi guys, I've been struggling with these two problems and was wondering if anyone could give me some help to get going in the right direction, thanks in advance

the first problem is:

Find the indefinite integral:

i thought that the answer should be :

plus C but that's not correct, I'm not sure how else to do this problem

the second problem is:

Write the expression as a logarithm of a single quantity:

not sure how to get started on this one, I know the laws of logarithms, I'm mainly confused on what to do with the 1/2 and the 5