(x² - 8x) / ( x³ - 8x² + 3x - 24 ) =
[x (x - 8)] / [ x²(x - 8) - 3(x - 8)] =
[x (x - 8)] / [ (x - 8)(x² - 3)] =
x / (x² - 3)
или
x / (x - √3)(x + √3)
