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]