Medal for help please...simplify (a^2 + 2a - 15) / (a^2 - 16) / (9 - 3a) / (3a - 12)

Question

anonymous · Answer

@iheartmath123  : Sorry but Can't get your qustn
please Re write using Equation or drawing tab..

anonymous · Answer

$$\frac{a^2 + 2a - 15}{ a^2 - 16} \div \frac{ 9 - 3a }{3a - 12}$$

anonymous · Answer

this is the answer i got but not sure if it is correct...

$$-\frac{ a + 5 }{ a - 4? }$$

anonymous · Answer

you have done little mistake.. i thik so..
in denomenator it will come (a+4)

anonymous · Answer

oh yes, thank you i typed it in incorrectly...should be 

$$-\frac{ a + 5 }{a + 4}$$...is that what you got?

anonymous · Answer

yuup .. wll done.. 
you dont have any problem now ... :)

anonymous · Answer

thanks so much, i really appreciate it!

anonymous · Answer

wlcome... :)

anonymous · Answer

close the qstn once you got it.