Question

(3m-2n)^2

solve using identity​

Answer 1

Answer:

Step-by-step explanation:

formula to be used= (a-b)²=a²+b²-2ab

now

(3m-2n)²=(3m)²+(2n)²-2ab

             =9m²+4n²-(2*3m*-2n)

             =9m²+4n²+12mn

hope it helped you....