Without actually solving the equation, list all possible numbers that would have to be rejected if they appeared as potential solutions. Then give the domain using set notation.
- 
= 
A. 14, 7, 20, -8, - 
; 
B. none;(-?, ?)
C. -14, -7, -20; {x
-14, -7, -20}
D. 14, 7, 20; {x
14, 7, 20}
Answer: D
Mathematics
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