Question

answer check please!
(3s^4-2s^3+3s^2+15s-9)+(s^5+9s^3+8s^2-3s+6)+(-6s^4+s^2-9s-9)
i got s^5-3s^4+7s^3+12s^2+3s-12?

Answer 1

good lord

Answer 2

hahahaha

Answer 3

http://www.wolframalpha.com/input/?i=%283s^4-2s^3%2B3s^2%2B15s-9%29%2B%28s^5%2B9s^3%2B8s^2-3s%2B6%29%2B%28-6s^4%2Bs^2-9s-9%29

Answer 4

yes you have it!

Answer 5

woot!