Which statement is true?


Which statement is true?


The equation -x2 + 6x + 9 = 0 has no real solutions


The equation -x2 + 6x - 9 = 0 has one real solution


The equation -x2 + 6x - 9 = 0 has two real solutions


The equation -x2 + 6x + 9 = 0 has three real solutions