Answers are one thing. How you got there is quite another. Please show your work and give a description of your methodology. This will aide in the formulation of more helpful responses.
1) Sooooooo...close! That ½ out in front shouldn't be there.
2) More coefficient problems.
I'll quit there. You seem to be in the neighborhood. Give it another go. This time, show the results of your long division and/or partial fraction decomposition. This should expose any remaining difficulties.