Question

Solve
4 (x-y)^2 - 12 (x-y)+9​

Answer 1

4 (x-y)² - 12 (x-y)+9

Let, x-y = a

so, 4a²-12a+9

= 4a²-6a-6a+9

= 2a(2a-3)-3(2a-3)

= (2a-3)(2a-3)

= [2(x-y)-3][2(x-y)-3]

= (2x-2y-3)(2x-2y-3)

= (2x-2y-3)² Ans.

Answer 2

Answer:

1

2

3668o63904fb

5

6

7

8

9

0

8

8