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What is the sum of positive integers x and y?
(1) x^2 + 2xy + y^2 = 16
(2) x^2 – y^2 =8
OA D
Source: Princeton Review
(1) x^2 + 2xy + y^2 = 16
(2) x^2 – y^2 =8
OA D
Source: Princeton Review
