The given expression is:
\[\frac{x^2 + 3x - 54}{x^2 - 36} + \frac{9}{(x + 6)^2} - \frac{3}{4}.\]
Would you like me to simplify it step by step?
Mathbot Says...
I wasn't able to parse your question, but the HE.NET team is hard at work making me smarter.