Hello, krystaline86!

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".

. .

So: .

Then: .

And: .

. . See?