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Answer :

Answer:

No because the 2 is outside of the parentheses meaning it should be 9^2

Step-by-step explanation:

Answer:

No, I will not simplify 3² first.

Rather I would simplify (12-3) first, i.e., 9.

Then simplify 9² which gives the answer 81.

Step-by-step explanation:

  • (12-3)²
  • = 9²
  • = 81