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How do you x^2/(x+4) in partial fractions?

An expression to simplify:

The solution

You have entered [src]
   2 
  x  
-----
x + 4
$$\frac{x^{2}}{x + 4}$$
x^2/(x + 4)
Fraction decomposition [src]
-4 + x + 16/(4 + x)
$$x - 4 + \frac{16}{x + 4}$$
           16 
-4 + x + -----
         4 + x
Numerical answer [src]
x^2/(4.0 + x)
x^2/(4.0 + x)
Common denominator [src]
           16 
-4 + x + -----
         4 + x
$$x - 4 + \frac{16}{x + 4}$$
-4 + x + 16/(4 + x)