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Expression simplification/ Factorization polynomials/ z^2+d/z-2

Factor polynomial z^2+d/z-2

An expression to simplify:

The solution

You have entered [src] 
 2   d    
z  + - - 2
     z
$$\left(\frac{d}{z} + z^{2}\right) - 2$$ 
z^2 + d/z - 2
General simplification [src] 
      2   d
-2 + z  + -
          z
$$\frac{d}{z} + z^{2} - 2$$ 
-2 + z^2 + d/z
Trigonometric part [src] 
      2   d
-2 + z  + -
          z
$$\frac{d}{z} + z^{2} - 2$$ 
-2 + z^2 + d/z
Numerical answer [src] 
-2.0 + z^2 + d/z
-2.0 + z^2 + d/z
Common denominator [src] 
      2   d
-2 + z  + -
          z
$$\frac{d}{z} + z^{2} - 2$$ 
-2 + z^2 + d/z
Powers [src] 
      2   d
-2 + z  + -
          z
$$\frac{d}{z} + z^{2} - 2$$ 
-2 + z^2 + d/z
Combinatorics [src] 
     3      
d + z  - 2*z
------------
     z
$$\frac{d + z^{3} - 2 z}{z}$$ 
(d + z^3 - 2*z)/z
Combining rational expressions [src] 
     3      
d + z  - 2*z
------------
     z
$$\frac{d + z^{3} - 2 z}{z}$$ 
(d + z^3 - 2*z)/z
Assemble expression [src] 
      2   d
-2 + z  + -
          z
$$\frac{d}{z} + z^{2} - 2$$ 
-2 + z^2 + d/z
Rational denominator [src] 
     3      
d + z  - 2*z
------------
     z
$$\frac{d + z^{3} - 2 z}{z}$$ 
(d + z^3 - 2*z)/z
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