Find all real solutions to the system of equations using the addition method. x2 - 3y2 = 14x2 + 3y2 = 19
A. (-1, 2), (1, -2)
B. (2, 1), (-2, -1)
C. (1, 2), (-1, 2), (1, -2), (-1, -2)
D. (2, 1), (2, -1), (-2, 1), (-2, -1)
Answer: D
Mathematics
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