posted by kristie .
please help me simplify
The denominator is cleary the differerence of two squares (X^2-4)(x^2+4). That can again be factored to (x+2)(x-2)(x^2+4).
The numerator can be factored using the trinomial simplification..
so (x^2-2x+4)/((x-2)(x^2+4)) is as far as I can go?