Respuesta :

Answer:

x^2 + 2x + y^2 - y.

or it can be written as  x(x + 2) + y(y - 1).

Step-by-step explanation:

-3y + 4xy - 2x² + 2x + y²- 4xy + 2y+ 3x²

Bring like terms together:

=  4xy - 4xy + 3x^2 - 2x^2  + 2y - 3y  + y^2 + 2x

= x^2 + 2x + y^2 - y.

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