1-(11/1800)x-(1/18000)x^2=0
4/65 simplify
6 - + 7=
2357*143
f(x)=4x^2+8x divided by g(x)=4x operation on functions
11/20 by decimals
474 x 459
(7!)!=4529260254362371920879245234013306192127124027987635839114357976744285116958585965983833182816858304148317502824287631501208...
13/26by decimals
2x+3=2x^2−2