Answer:
result of the expression is 83.
Explanation:
original expression: (4m)² - (3n-2m)
- Substitute the given value of m into the exp: (4(-2))² - (3n-2(-2))
- substitute the given value of n into the exp: (-8)² - (3(5)-2(-2))
- Perform the exponentiation: 64 - (15+4)
- Perform the subtraction: 64 + 19
- The final result is 83