Hi everyone! I would like you all to check these problems and if there's an easier way please do give the suggestion. The directions are to simplify.

#1

I though I should get one fraction:

Rationalize:

# 2

I don't see how that can simplify any more... do you agree?

# 3

I factored this as:

# 4

Factor by grouping:

Which goes to:

Look good guys/gals?