Respuesta :

Answer:

11x^2+2

Step-by-step explanation:

you put the 9x^2 beside 2x^2 because they are both x^2 then the 2 will stay the same

2x² + 2 + 9x²

= 11x² + 2

(If you have to solve for x then write the following: )

11x² + 2 = 0

11x² = -2

x² = (-2 / 11)

x = √(-2 / 11)