hello guys
how to solve this problem
please help me
(x + y)(2x + y)+ (x + 2y)(x – y).​

1 thought on “hello guys <br />how to solve this problem <br />please help me<br />(x + y)(2x + y)+ (x + 2y)(x – y).​”

1. Answer:

   3x^2 + 4xy + y^2 is the answer.

   Step-by-step explanation:

   (x + y)(2x + y) + (x + 2y)(x – y)

   2x^2 + xy + 2xy + y^2 + x^2 – xy + 2xy – 2y^2

   (2x^2 + x^2) + (xy – xy) + (2xy + 2xy) + (y^2 – 2y^2)

   3x^2 + 0 + 4xy – y^2

   3x^2 + 4xy + y^2

   Hope it helps!!

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