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1979 AMC 12 Question 19

AMC12 · 1979 AMC 12

Question 19

Find the sum of the squares of all real numbers satisfying the equation $x^{256}-256^{32}=0.$
  1. $8$
  2. $128$
  3. $512$
  4. $65{,}536$
  5. $2(256^{32})$