Question

The value of (x + y)2 + (x - y) is
a) 2(x2 + y)
b) (x2 + y2)
c) 2(x2 - y2)
d) 4xy​

Answer 1

Answer:

D. 2(x^2-y^2)

Step by step explanation:

2(x+y)(x-y)

=> (a+b)(a-b)=a^2-b^2

=> 2(x^2-y^2)