Simplify dfrac10x+dfrac11x2\\dfrac{10}{x} + \\dfrac{11}{x^2}dfrac10x+dfrac11x2
dfrac21x2\\dfrac{21}{x^2}dfrac21x2
dfrac10xx2\\dfrac{10x}{x^2}dfrac10xx2
dfrac10x+11x2\\dfrac{10x + 11}{x^2}dfrac10x+11x2
dfrac10+11x+x2\\dfrac{10 + 11}{x + x^2}dfrac10+11x+x2