Respuesta :

Answer:

4x^2-4x+19

Step-by-step explanation:

(2x+7)+(4x^2-6x+12)

4x^2-6x+2x+12+7

4x^2-4x+19

Just combine like terms

2x and -6x then 12 and 7. After you multiply 4 and 2 then you’ll add that to 12+7