True/False

A quality control technician is calculating the difference between two material stress models: 5x2−7x+3x2−3x−18−4x2+x−9x2−3x−18\frac{5x^2 - 7x + 3}{x^2 - 3x - 18} - \frac{4x^2 + x - 9}{x^2 - 3x - 18}. True or False: In the first step of this subtraction, the negative sign must be distributed to all three terms in the second numerator, resulting in −4x2-4x^2, −x-x, and +9+9.

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Updated 2026-09-17

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