Multiple Choice

When adding the rational expressions 8x22x3\frac{8}{x^2 - 2x - 3} and 3xx2+4x+3\frac{3x}{x^2 + 4x + 3}, the Least Common Denominator (LCD) is (x+1)(x3)(x+3)(x + 1)(x - 3)(x + 3). Which expression represents the sum of the numerators after each has been multiplied by its missing factor (before expanding)?

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Updated 2026-06-21

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