Question 204713
x2 + 3x -10      x2 + 5X +6
___________  X   __________
x2 + 8x +15      x2 + 4X +4
[(x+5)(x-2)/(x+5)(x+3)]*[((x+3)(x+2)/((x+2)(x+2)]
[(x-2)/(x+3)]*[(x+3)/(x+2)
(x-2)/(x+2) ans.