Respuesta :

Answer:

-y^2 +2y + 5x

Step-by-step explanation:

add/subtract the numbers with the same letters

3x -x + 3x = +5x

2y

-y^2

-y^2 +2y + 5x

Answer:

7x + 2y - y^2.

Step-by-step explanation:

I guess you want to simplify this expression.

3x + 2y - x + 3x - y^2

First bring like terms together:

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

= 6x - x + 2y - y^2

= 5x + 2y - y^2.

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