Which is the simplified rational expression for (9x - 5)/(4x - 1) + ((3x - 8)/(4x - 1) - (5x + 3)/(4x - 1)) (7x - 10)/(4x - 1) (7x - 15)/(4x - 1) (17x - 15)/(4x - 1) (17x - 15)/(4x - 1)