khanhhuyen30052008 khanhhuyen30052008

24-07-2021
Mathematics

contestada

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

Respuesta :

thuchip411 thuchip411

24-07-2021

Answer:

(x + y - 2xy)*(x + y + 2xy)

Step-by-step explanation:

x^2-4x^2y^2+y^2+2*x*y

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

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

=(x + y - 2xy)*(x + y + 2xy)

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