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September 1, 2014

September 1, 2014

Posted by **pop** on Monday, March 26, 2012 at 9:11am.

(4x)/(x-2)+(8)/(x+2)

- Math -
**A.P.**, Monday, March 26, 2012 at 10:23amMultiply the first fraction by the denominator of second and vie versa:

4x(x+2)/(x^2-4)+8(x-2)/(x^2-4)

=(4x^2+8x+8x+16)/(x^2-4)

You can do a little more from here, but this exerise does not yield a very pretty answer.

Remember that (a^2)-(b^2) = (a-b)(a+b)

- Math -
**A.P.**, Monday, March 26, 2012 at 10:25amMinor ammendment: I see how the first sentence can be misleading. You multiply both numerator and denominator, not just the numerator.

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