Question

Simplify using identities:
(3m+⅘n)²

Answer 1

Answer:

3m = 22

Step-by-step explanation:

Answer 2

explaination

according to identity 1

(a+b)whole square= (a)^2+(b)^2+2ab

(3m)^2+(4/5n)^2+2×3m×4/5n

9m square + 16/25n square + 24mn/5