Respuesta :

Answer: B

Step-by-step explanation:

When adding and subtracting fractions, the denominator must be the same. Since the denominator is the same, we can directly subtract the numerator.

[tex]\frac{x^2-7-(2x+9)\\}{5x-4}=\frac{x^2-7-2x-9}{5x-4}[/tex]