Question

expand using suitable identity
$(2m - 5n)^{2}$
​

Answer 1

Answer:

sorry bro don't know the answer byeee have a great day

Answer 2

We can use the formula of

( a - b )² = a² + b² - 2ab

( 2m - 5n )²

4m² + 25n² - 2 × 2m × 5n

4m² + 25n² - 20mn.