What is the result of adding 23x+1x2\frac{2}{3x} + \frac{1}{x^2}3x2+x21?
2x+33x2\frac{2x+3}{3x^2}3x22x+3
3x3\frac{3}{x^3}x33
2+x3x2\frac{2+x}{3x^2}3x22+x
2x+13x2\frac{2x+1}{3x^2}3x22x+1