To simplify the expression
-
Evaluate
: -
Evaluate
: -
Substitute these values back into the expression:
-
Simplify the expression:
Now calculate
:Now calculate
:
Thus, the simplified expression is
As for the "simplified denominator," assuming this was a misunderstanding because the expression doesn't contain a fraction, the answer is just the final simplified result:
If you meant to ask for any component involving a denominator, please clarify your question.