x 24 1 - - 4 + -- - 16 - x + - + 4 x 2 x x
1 24 -15 + - - x + -- x 2 x
3 4 / 4 3 \ x + 4*x + x*\- x - 19*x + 24*x/ ----------------------------------- 4 x
3 2 24 + x - x - 15*x ------------------- 2 x
1 24 x -16 + - - x + -- + - x 2 x x
24 + x -15 - x + ------ 2 x
/ 3 2\ -\-24 + x - x + 15*x / ------------------------ 2 x