Respuesta :

Darshman29

Answer:

5x+2

Step-by-step explanation:

(3x2-4x+5)+(2x2+9x-10)+(-5x2+7)

Combine like-terms

The x-squared gets cancelled out

And you are left with 5x +2

sidraaskani6
I thinks this is the solution for this question. I tried doing it with explanations for you :) hope it helps
Ver imagen sidraaskani6