Bulgaria DZI Mathematics Practice Questions - Bulgaria State Matriculation Examination - Mathematics (Държавен зрелостен изпит по математика) Exam

The solutions of x^2 - 9 = 0 are

x = 9 only x = 0 and x = 9 x = -3 and x = 3 x = 3 only

Correct Answer:

x = -3 and x = 3

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