Question

evaluate each of following algebric expression 2x^2 - y^2​

Answer 1

Answer:

this is answer of your question.

Answer 2

Answer:

4x^2 - 4xy + y^2

Step-by-step explanation:

2x^2 - y^2 can be written as (2x - y)^2

Therefore, we can put the identity: (a -b)^2

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

4x^2 - 4xy + y^2.