You can put this solution on YOUR website! You did not say what is to be solved or how the expression is not yet solved. You might be interested in trying to factorize it. Try putting into a different form in decreasing degree of "a".
Can you divide this by or by and find remainder of 0?
This remainder of 0 WILL MEAN YOU FOUND A FACTORIZATION.
You might also try some regrouping or rearranging to see what you can do.
not seem useful.
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THIS IS WHAT YOU WANT: