Respuesta :

virunpattt

Answer:

x^2+8x

Step-by-step explanation:

(6x^2+ 10x – 1) + (-5x^2– 2x + 1)

=6x^2-5x^2+10x-2x-1+1

=x^2+8x

sakina12

Answer:

x^2 +8x

Step-by-step explanation:

6x^2 +10x -1 -5x^ -2x +1

x^2 +8x