Answers

2015-07-25T17:19:20+08:00
I can answer this, but on the paper only, it's hard to type this kind of equation...
Sorry
0
It's okay, thanks anyway. BUT actually i'm just asking here for the final answer and not the complete solution. (-97 is my answer) I just wanna be sure if we all get the same answer.
okay! that's good! just be careful with the signs they are a little bit tricky