(x+2)/((x+3)*(x-4))
solve((x + 2)/((x - 4)*(x + 3)), x)
diff((x + 2)/((x - 4)*(x + 3)), x)
series((x + 2)/((x - 4)*(x + 3)), x, 0, 10)
Want to compute something more complicated? Try a full Python/SymPy console at SymPy Live.