Question

Factorise: 4(x - y)2 - 12(x - y) (x + y) + 9(x + y)?
​

Answer 1

Answer:

5x+13y+12y²

or

5x+y(13+12y)

Step-by-step explanation:

(4x-4y)2-12x+12y(x+y)+9x+9y

8x-8y-12x+12y+12y²+9x+9y

-4x+4y+12y²+9x+9y

5x+13y+12y²

or

5x+y(13+12y)