Question

(4m-5n)² solve using identity​

Answer 1

Answer:

$16 {m}^{2} + 25 {n}^{2} - 40mn$

hope this will help you ♥️♥️♥️

Answer 2

Answer:

(4m)^2 - 2(4m)(5n) + (5n)^2

16m^2 -40mn +25n^2

Hope you understood it