### How to find inverse laplace transform

Hi!

I'm trying to find the inverse laplace transform from the following equation:
~~(5~~*s*(5 * s * e^(-2*s))/(s^2 + 9).inverse_laplace(s,t),

although sage responds with:

~~ilt((5~~*s*ilt((5 * s * e^(-2*s))/(s^2 + 9)).

How do I find the inverse laplace transform from the equation above?

Sincerly Simon