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SMO 2009 Senior Round 1 Question 2

SMO · SMO 2009 Senior Round 1

Question 2

Let $y=(17-x)(19-x)(19+x)(17+x)$, where $x$ is a real number. Find the smallest possible value of $y$.
  1. $-1296$
  2. $-1295$
  3. $-1294$
  4. $-1293$
  5. $-1292$