I'd recommend going for your LPN or LVN (if you can get into a program). After your first semester you can start work as a CNA and then most facilities (especially larger corporations) will offer...
i love it when i can surprise myself.... your first mistake is by starting with a negative number (-3x^3 should be +3x^3) your second mistake is with the 7x and the 9x (4 and 5 rows up from your last...