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Solve and Check Your Solution(s) $\sqrt { x + 9 } = \sqrt { x - 9 }$

Question 249

Multiple Choice

Solve and check your solution(s) . If the equation has no real solution, so state.
- $\sqrt { x + 9 } = \sqrt { x - 9 }$

A) 18
B) -18
C) 0
D) no real solution

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