Multiple Choice

In a technical math application, a student is required to find the Least Common Denominator (LCD) for the rational expressions 2x2−x−12\frac{2}{x^2-x-12} and 1x2−16\frac{1}{x^2-16}. Which of the following is the correct LCD?

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Updated 2026-09-18

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Ch.7 Rational Expressions and Functions - Intermediate Algebra @ OpenStax

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