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= [4 (p - q) - 3 (p + q) ] / (p + q)(p - q)
= (4p - 4q - 3p - 3q) / (p² - q²)
= (p - 7q) / (p² - q²)
10) (m + 2) / 3 - 2p / 4m = 4m(m + 2) / 12m - 3 .2p / 12m
= (4m² + 8) / 12m - 6p / 12m
= (4m² + 8 - 6p) / 12m