Question

[Reward - Medal and Fan, Pls Help! :/]
Using the algebraic identity (a-b)" = a" - 2ab + b"
Solve this: (3x-5y)" [NOTE: " = Square]

Answer 1

replace a by 3x and b by -5y in (a+b)^2 and solve it

Answer 2

sorry b should be replace by 5y since - is considered in formula it self

Answer 3

@panchajanya I am not getting it properly..What is the final answer?

Answer 4

@panchajanya btw thnx for replying quickly :) You were a great help :)