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2. x² - 6x - 5 / x-5 = x² - 6x - 5 / x-5 x x + 5 / x + 5
= x³ + 5x² - 6x² - 30x - 5x - 25/ x² + 5x - 5x - 25
= x³ - x² - 25x - 25/ x² - 25
= (x² - 25) ( x + 1 ) / x² - 25
= x + 1