This is an ugly problem . . .
From what you wrote, I assume you are familiar with these formulas:Factor: .
1) Do I apply something similar to a difference of squares
and just keep going until I get: ?
. . .
. . . . . . . Good!
now I'm stuck and I couldn't even get it to x-1 because I ran into an odd exponent.
But odd exponents are usually "a good thing".
. . See?