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altavistard

"^3 square root " is ambiguous and inappropriate. Did you mean "cube root of x^2 - 8"?


If so, then your equation is


cube root of (x^2-8) = 2.


Taking the cube of both sides, we get x^2-8 = 8, or x^2 = 16. Thus,


x = plus or minus 4.



Kyizack3

Answer:

C. x = –4 or x = 4

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