Question

Using identity evaluate the following: (4x – 5y) (4x – 5y) please answer my question I will mark the one as BRAINLIST ​

Answer 1

Answer: 16x^2 - 20xy + 25y^2

Step-by-step explanation:

(4x – 5y) (4x – 5y) i.e

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

              = 16x^2 - 40xy + 25y^2