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nm+−2nmnm+-2nm

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Full solution

Q. nm+−2nmnm+-2nm
  1. Combine Like Terms: Combine like terms by adding the coefficients of nmnm. nm+(−2nm)=(1−2)nm=−1nmnm + (-2nm) = (1 - 2)nm = -1nm
  2. Check for Errors: Check for any mathematical errors in the previous step. No errors found, the calculation is correct.

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