Respuesta :

Given the following difference:

[tex]\frac{9}{x^2}-\frac{2x+1}{8x^}[/tex]

Simplifying it:

[tex]\frac{72-2x^2+x}{8x^2}[/tex][tex]\frac{-2x^2+x+72}{8x^2}[/tex]

ANSWER

A