Answer:
B. [tex]\frac{2x^2+25}{x(x+5)}[/tex]
Step-by-step explanation:
[tex]x(\frac{3x}{x+5})-(x+5)(\frac{x-5}{x})[/tex]
= [tex]\frac{3x^2}{x(x+5)} - \frac{(x-5)(x+5)}{x(x+5)} = \frac{3x^2-(x-5)(x+5)}{x(x+5)}[/tex]
= [tex]\frac{3x^2-(x^2-25)}{x(x+5)}[/tex]
= [tex]\frac{2x^2+25}{x(x+5)}[/tex]
