OpenStax, Elementary Algebra 2e §8.4 Add and Subtract Rational Expressions with Unlike Denominators · Exercise 86 · Algebra · Rational expressions

Add and Subtract Rational Expressions with Unlike Denominators · Exercise 86

Simplify the expression $\frac{4}{n ^{2} + 6 n + 9} - \frac{1}{n ^{2} - 9}$ and explain all your steps.

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OpenStax, Elementary Algebra 2e · §8.4 Add and Subtract Rational Expressions with Unlike Denominators · Exercise 86

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