We can't help you with this for a couple of reasons....
(1) We don't know for sure what the given expression is. It could be
or it could be
(2) The other reason we can't help is that there is no equation to be solved. This is only an expression. Expressions can be simplified; they can't be solved.
re-post your question, using parentheses as necessary to make it clear what the expression is, and telling us what you/we are supposed to do with it.