Question

(5m-3n)2 + 60mm=
(5m+3n) 2
Prove this statement
Fast​

Answer 1

Answer:   = {25m - 9n}^2

Step-by-step explanation:

= (5m+3n) (5m-3n)

= 5m(5m-3n) +3n (5m-3n)

= 25m^2-15mn+15nm-9n^2

= 25m^2-9n^2

= {25m - 9n}^2