Sagot :
Answer:
49m² - 182m + 169 FINAL ANSWER
Step-by-step explanation:
1. (7m-13)² Simplify mo then,
2. Expand the square
- (7m-13)²
- (7m - 13)(7m - 13)
3. Distribute
- (7m - 13)(7m - 13)
- 7m(7m13) 13(7m-13)
4. Distribute
- 7m(7m-13)-13(7m-13)
- 49m² - 91m - 13(7m - 13)
5. Combine like terms
- 49m²-91m-91m+169
- 49m² - 182m + 169 (final answer)