## anonymous 5 years ago Has anybody an idea, how to further simplify the following expression: f(x)=(-8x)/(Sqrt((x^2+4)/x^2-4))*(x^2-4)^2) Thanks

$f(x)=-8x/(\sqrt{(x ^{2}+4)/(x^{2}-4}) * (x^{2}-4)^{2})$