Question

Please factorise the question ​

Answer 1

$\huge\bold\orange{heYa}$

here is ur answer

use this identity (a-b)²

16x²+25y²-40xy

(4x)²+(5y)² - 2×4x×5y

(4x-5y)²

(4x-5y)(4x-5y)

★hope it helps you!!!

Answer 2

Answer:

16x^2 - 40xy + 25y^2

= (4x)^2 - 2 ( 4x ) ( 5y) + (5y)^2

= ( 4x - 5y ) ( 4x- 5y )

= ( 4x - 5y) ^2