Respuesta :

osikbro

Answer:

[tex]9x^2-5x-7[/tex]

Step-by-step explanation:

[tex]d(x)=9x^2\\g(x)=5x+7\\d(x)-g(x)=\\(9x^2)-(5x+7)=\\9x^2-5x-7[/tex]

Hope this helps!

anikakinnear

Answer:

[tex]9x^{2} -5x-7[/tex]

Step-by-step explanation: