# Math Last one

I am down to 5 out of 49 problems that I can't figure out. Help is very much appreciated. Thanks !

c^2 +8c +15 =0

1. If you are down to 5, why did you post 8?

Are you supposed to factor this?
It looks like (c+5) is one of them.

posted by drwls
2. For factoring, you have to find which two numbers add to the middle term and multiply to the last term. What two numbers add to 8 and multiply to 15? drwls started you off by saying 5 is one of them: (c+5).

posted by Jen
3. A COUPLE OF THEM I COULD NOT CANCEL BUT POSTED A MESSAGE SAYING NEVERMIND. I ACTUALLY HAVE ONLY FOUR I COULDNT FIGURE OUT. THANKS ! (DIDNT KNOW CAPS LOCK WAS ON, =)

posted by Christy

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