Respuesta :

Answer:

16x^2-16x-19

Step-by-step explanation:

(9x^2+2x-11)-(11x-7x^2+3)-(5+7x)

distribute the minus sign

9x^2+2x-11-11x+7x^2-3-5-7x

Combine like terms

9x^2+7x^2-7x+2x-11x-3-5-11

16x^2-16x-19

Answer:

[tex]16x^2 - 16x - 19[/tex]

Step-by-step explanation:

[tex](9x^2+2x-11)-(11x-7x^2+3)-(5+7x)[/tex]    (Distribute the negative signs and open the parenthesis to start adding like terms)

[tex]9x^2 + 2x - 11 - 11x + 7x^2 - 3 - 5 - 7x[/tex]    (Simplify)

[tex]16x^2 - 16x - 19[/tex]