## Algebra: A Combined Approach (4th Edition)

Published by Pearson

# Chapter 7 - Section 7.3 - Adding and Subtracting Rational Expressions with the Same Denominator and Least Common Denominator - Exercise Set: 33

#### Answer

LCD=2$x^{2}$(x+4)(x-4)

#### Work Step by Step

$\frac{1}{x^{2}-16}$, $\frac{x+6}{2x^{3}-8x^{2}}$ $x^{2}$-16=$x^{2}$-$4^{2}$=(x+4)(x-4) 2$x^{3}$-8$x^{2}$=2$x^{2}$(x-4) LCD=2$x^{2}$(x+4)(x-4)

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