OpenStax, Intermediate Algebra 2e §7.2 Add and Subtract Rational Expressions · Exercise 27 · Algebra · Rational expressions

Add and Subtract Rational Expressions · Exercise 27

In the following exercises, ⓐ find the LCD for the given rational expressions ⓑ rewrite them as equivalent rational expressions with the lowest common denominator.

$\frac{9}{z ^{2} + 2 z - 8}, \frac{4 z}{z ^{2} - 4}$

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OpenStax, Intermediate Algebra 2e · §7.2 Add and Subtract Rational Expressions · Exercise 27

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