Simplify dfrac1x+dfrac2x2\\dfrac{1}{x} + \\dfrac{2}{x^2}dfrac1x+dfrac2x2
dfrac1x+2x2\\dfrac{1x + 2}{x^2}dfrac1x+2x2
dfrac1+2x+x2\\dfrac{1 + 2}{x + x^2}dfrac1+2x+x2
dfrac1xx2\\dfrac{1x}{x^2}dfrac1xx2
dfrac3x2\\dfrac{3}{x^2}dfrac3x2