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AMO 2023 – Secondary 2 (Grade 8) Question 8

AMO · AMO 2023 – Secondary 2 (Grade 8)

Question 8

If $(60-x)(40-x)=80$, find $(60-x)^2+(40-x)^2$.

Question illustration
  1. 100
  2. 560
  3. 750
  4. 1000