Math, asked by dhatrigupta, 1 day ago

1. Simplify the following:
a) (4m + 5n)² + (5m + 4n)² + (4m + 5n) (4m - 5n)​

Answers

Answered by MangiferaIndica
1

Answer:

48m² + 80mn + 25n²

Step-by-step explanation:

16m² + 40mn + 25n² + 16m² + 40mn + 25n² + 16m² - 25n²

48m² + 80mn + 50n² - 25n²

48m² + 80mn + 25n²

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