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Home > A2C > Chapter 12 > Lesson 12.3.1 > Problem 12-127

12-127.

12(x2 + 4x) + 8(y2 − 6y) = −24

12(x2 + 4x + 4) + 8(y2 − 6y + 9) = −24 + 12(4) + 8(9)