Respuesta :

Answer:

3x^2 + x -4

Step-by-step explanation:

add them together to get:

-2x^2 + 5x^2 +3x - 2x +3 -7

3x^2 + x - 4 this should be the answer

Answer:

3x^2 + x -4

Step-by-step explanation:

add them together to get:

-2x^2 + 5x^2 +3x - 2x +3 -7

3x^2 + x - 4 this should be the answer, if im right