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6 days ago
= [(x² - x - 2) - (x² + 3x - 4)]/(2x - 1)
= [(x² - x - 2 - x² - 3x + 4)]/(2x - 1)
= (-4x + 2)/(2x - 1)
= -2(2x - 1)/(2x - 1)
= -2