Question 66391
Write in simplest form: 
9-b^2
---------
b^2-b-6 


NUMERATOR:  9-b^2=(3+b)(3-b)=-(b-3)(b+3)

DENOMINATOR: b^2-b-6=(b-3)(b+2)

Now we put 'em back together  

9-b^2
--------- = 
b^2-b-6 




-(b-3)(b+3)
----------- =
(b-3)(b+2)





-(b+3)
------=
(b+2)






-b-3
----
 b+2


LOOKS LIKE D IS THE CORRECT ANSWER


Hope this helps-----ptaylor