Multiple Choice

A calibration technician is simplifying a sensor-accuracy formula represented by the following complex rational expression:

4m27m+123m32m4\frac{\frac{4}{m^2-7m+12}}{\frac{3}{m-3}-\frac{2}{m-4}}

After multiplying by the Least Common Denominator (LCD) and canceling matching factors, the denominator of the main expression is reduced to $3(m-4) - 2(m-3)$. Which of the following shows the correct result of distributing the constants 3 and -2 in this denominator?

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Updated 2026-04-20

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