I am trying to find the laplace transform of this equation: $4-4t+2t^2$
What I am doing:
$\frac{4}{s}-\frac{4}{s^2}+\frac{4}{s^3}$ $\frac{4s^2-4s}{s^3}+\frac{4}{s^3}$ $\frac{4s^2-4s+4}{s3}$
But I am getting the wrong answer, can you please tell me what I am doing wrong?