Hello, This is my first post here, after seeing that a lot of great help is on hand, so i thought i would give it a try as i am having difficulty.

question: Find the Laplace Transform of the following from first principles;

After looking at some other examples on the forum, I have tried letting

in order to make the two expressions inside the brackets the same, ie

so that standard rules can be applied, though I am not quite sure if this is right or where to go from here. ANy help would be much appreciated!

Thanks in advance.