Respuesta :

Answer:

2(x^2 + 3x + 34)

Step-by-step explanation:

(6x+7+8^2) + (2x^2-3)

= 6x + 7 + 64 + 2x^2 - 3

= 2x^2 + 6x + 68

= 2(x^2 + 3x + 34)