Tuesday
July 22, 2014

Homework Help: Math

Posted by B.B. on Thursday, May 6, 2010 at 2:08pm.

Could someone please explain this problem to me?
I will show you what I have so far.
Perform the indicated operations and simplify.
w-2/w-7-w+1/w+7+w-77/w^2-49
I made it to this step and now I can't figure out what to do next.
w^2+w-14/(w+7)(w-7) + w^2-6w-7/(w+7)(w-7) + w-77/(w+7)(w-7)=(w^2+w-14)+(w^2-6w-7)+(w-77)/(w+7)(w-7)= 4w-98/(w+7)(w-7).
This is where I'm lost at. I can't seem to figure out the end result.
Thanks for the help.

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