?Simplify the expression \(\frac{4}{n^{2}+6 n+9}-\frac{1}{n^{2}-9}\) and explain all
Chapter 8, Problem 254(choose chapter or problem)
Simplify the expression \(\frac{4}{n^{2}+6 n+9}-\frac{1}{n^{2}-9}\) and explain all your steps.
Text Transcription:
4/n^2+6n+9 - 1/n^2-9
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