Posted by Katie on Tuesday, April 15, 2008 at 7:51pm.
So why not multiply each of the three terms by that LCD that you found to get
n(n+2) + n(n-2) = n
expand and solve as a quadratic.
I factors very nicely and has 2 simple answers.
That's just it. I don't know how to factor it out because i keep getting 2n^2-n=0
2n^2 - n = 0 is correct.
Now take out a common factor
n(2n-1) = 0
n=0 or n = 1/2
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