SOLUTION: 2x/x^2+4 minus 2x-1/x^2+4 The answer I came up with was -1/x^2+4, is this correct?

Algebra ->  Rational-functions -> SOLUTION: 2x/x^2+4 minus 2x-1/x^2+4 The answer I came up with was -1/x^2+4, is this correct?      Log On


   



Question 319691: 2x/x^2+4 minus 2x-1/x^2+4

The answer I came up with was -1/x^2+4, is this correct?

Found 2 solutions by jim_thompson5910, checkley77:
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
%282x%29%2F%28x%5E2%2B4%29-%282x-1%29%2F%28x%5E2%2B4%29=1%2F%28x%5E2%2B4%29. You forgot to distribute the negative.

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
2x/x^2+4 minus 2x-1/x^2+4
(2x-(2x-1))/(x^2+4)
(2x-2x+1/(x^2+4)
1/(x^2+4) ans.
You forgot that (-) times a (-) is = (+).