GIVING 10 POINTS ANSWER ASAP PLEASE Simplify the following rational expression.
\dfrac{n^2-225}{n^2+30n+225}=
n
2
+30n+225
n
2
−225
​
=start fraction, n, squared, minus, 225, divided by, n, squared, plus, 30, n, plus, 225, end fraction, equals
Which values of nnn make the expression undefined?

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