Short Answer

Identifying the LCD in Logistics Efficiency Models

A logistics analyst is refining a cost-efficiency formula represented by the following expression:

3n9n2+n6n+32n\frac{-3n-9}{n^2+n-6} - \frac{n+3}{2-n}

After factoring the first denominator into (n2)(n+3)(n - 2)(n + 3) and identifying the relationship between the denominators, the analyst must determine the Least Common Denominator (LCD) to combine the fractions. What is the Least Common Denominator (LCD) for this specific expression?

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Updated 2026-04-18

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