Question

find the square of (2x-2y)​

Answer 1

Answer:

As we know that,

(a+b)  

2

=a  

2

+b  

2

+2ab

So,  

(2x+2y)  

2

=(2x)  

2

+(2y)  

2

+2(2x)(2y)

                         

=2  

2

x  

2

+2  

2

y  

2

+2×2×2×xy

                         

=4x  

2

+4y  

2

+8xy

Step-by-step explanation: