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SEAMO 2022 — Paper D — Grade 7–8 Question 4

SEAMO · SEAMO 2022 — Paper D — Grade 7–8

Question 4

Integers $m\gt n$ satisfy $m+n=20,m^2+n^2=328$. Find $m^2-n^2$.
  1. $280$
  2. $292$
  3. $300$
  4. $320$
  5. $340$