Respuesta :

solution

For this case we can do the following:

[tex]7-\frac{(\frac{63}{9})^2}{7}=7-\frac{7^2}{7}=7-\frac{7\cdot7}{7}=7-7=0[/tex]

Then the final answer for this case would be 0

RELAXING NOICE
Relax