Answer:
[tex]\frac{3x + 4 }{x^{2}}[/tex]
Step-by-step explanation:
[tex]\frac{3}{x}+ \frac{4}{x^{2}} = \frac{3*x}{x*x} + \frac{4}{x^{2}}[/tex]
[tex]= \frac{3x}{x^{2}} + \frac{4}{x^{2}}\\\\\\=\frac{3x + 4 }{x^{2}}[/tex]
