Respuesta :
Answer:
4x^2 + x + 3
Step-by-step explanation:
Here, we want to find the sum of the two polynomials
That would be ;
3x^2 + x-7 and x^2 + 10
Adding means we are taking like terms together
That would be
3x^2 + x ^2 + x -7 + 10
= 4x^2 + x + 3