Essay

Onboarding Guide: Simplifying Relative Efficiency Ratio

As a Logistics Planning Assistant, you are preparing an onboarding document to explain how to calculate the overall relative efficiency of sorting lines. The overall relative efficiency R(x)R(x) is defined as the quotient of the item processing speed function f(x)=15x23x2+33xf(x) = \frac{15x^2}{3x^2 + 33x} and the sorting time function g(x)=5x5x2+9x22g(x) = \frac{5x - 5}{x^2 + 9x - 22}.

Write a brief instructional guide recalling and describing the step-by-step mathematical procedure to simplify the division R(x)=f(x)g(x)R(x) = \frac{f(x)}{g(x)}. Your guide must explicitly recall and state:

  1. How to rewrite the division operation as a multiplication operation using the reciprocal of g(x)g(x).
  2. The complete factored forms of all four polynomial expressions in f(x)f(x) and g(x)g(x).
  3. The specific common numerical and variable factors that are divided out during the simplification step.
  4. The final simplified rational expression representing R(x)R(x).

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Updated 2026-06-03

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