Simplify dfrac18x+dfrac19x2\\dfrac{18}{x} + \\dfrac{19}{x^2}dfrac18x+dfrac19x2
dfrac18+19x+x2\\dfrac{18 + 19}{x + x^2}dfrac18+19x+x2
dfrac18xx2\\dfrac{18x}{x^2}dfrac18xx2
dfrac18x+19x2\\dfrac{18x + 19}{x^2}dfrac18x+19x2
dfrac37x2\\dfrac{37}{x^2}dfrac37x2