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As an analyst building a forecasting model, you are verifying the rational equation 43x2−10x+3+33x2+2x−1=2x2−2x−3\frac{4}{3x^2-10x+3} + \frac{3}{3x^2+2x-1} = \frac{2}{x^2-2x-3}. After clearing the fractions, your algebraic calculation produces the candidate solution x=3x = 3. However, checking this value reveals that it makes two of the original denominators zero, meaning it cannot be used. In mathematics, a candidate solution like x=3x = 3 that emerges from the correct algebraic steps but is mathematically undefined in the

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Updated 2026-09-18

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