According to a data (p^2 - 4p + 3) road accidents occurred in city A, (6p - 7 + 2p^2) road accidents occurred in city B and (p + 10 + 2 p^2) road accidents occurred in city C.
i) Find the total number of road accidents in city A and B?
ii) From the sum of road accidents of city A and B subtract road accidents of city C?
iii) Find the total number of accidents?
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