yes thanks, sorry about the way i post it havent a clue to do some things on line.
That's fine, just try to make sure it's at least possible to get the gist of what you're saying. Write a little, explain what it is you are trying to do, say where you are stuck and where you need help. Simply posting 2 equations means nothing.
You might find this useful:
It will help a lot with general mathematical formatting.