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.