Simplify dfrac8x+dfrac9x2\\dfrac{8}{x} + \\dfrac{9}{x^2}dfrac8x+dfrac9x2
dfrac17x2\\dfrac{17}{x^2}dfrac17x2
dfrac8xx2\\dfrac{8x}{x^2}dfrac8xx2
dfrac8x+9x2\\dfrac{8x + 9}{x^2}dfrac8x+9x2
dfrac8+9x+x2\\dfrac{8 + 9}{x + x^2}dfrac8+9x+x2