Greasy roots and very dry/split ends. Help?

Skittles asked:

So, my roots are kinda greasy but the ends of my hair and the middle parts are so dry and damaged! I used to have the most soft hair even though I dyed it and bleached it a lot, as well as straightening and sometimes blow drying. And all of a sudden it’s just gone all dry. I will get my hair cut as soon as possible but are there any REAL (preferably HOME) remedies and tips that I can try for school tomorrow in the mean time? Keep in mind I don’t want to worsen the greasy roots but I also want to fix how dry the rest of my hair is.

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