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Answer:
Here's how to solve the expression 5²(3²-2²)-128 using the order of operations (GEMDAS/PEMDAS):
1. Parentheses/Brackets:
- 3² = 9
- 2² = 4
2. Exponents:
- 5² = 25
3. Multiplication and Division (from left to right):
- We don't have any multiplication or division in this step.
4. Addition and Subtraction (from left to right):
- 25 (9 - 4) - 128
- 25 (5) - 128
- 125 - 128
5. Final Calculation:
- 125 - 128 = -3
Therefore, 5²(3²-2²)-128 = -3