Respuesta :

jojo12345679
Hai !
6x+7+x^2+2x^2-3
6x+7+x^2+2x^2+-3
combine like terms
6x+7+x^2+2x^2+-3
(x^2+2x^2)+(6x)+(7+-3)
=3x^2+6x+4
Cheers :3

Answer:

B-3x^2+6x+4

Step-by-step explanation:

i got it right on ed