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Expression simplification/ Fraction Decomposition into the simple/ (x^2-9)/(2*x+6)

How do you (x^2-9)/(2*x+6) in partial fractions?

An expression to simplify:

The solution

You have entered [src] 
  2    
 x  - 9
-------
2*x + 6
$$\frac{x^{2} - 9}{2 x + 6}$$ 
(x^2 - 9)/(2*x + 6)
General simplification [src] 
  3   x
- - + -
  2   2
$$\frac{x}{2} - \frac{3}{2}$$ 
-3/2 + x/2
Fraction decomposition [src] 
-3/2 + x/2
$$\frac{x}{2} - \frac{3}{2}$$ 
  3   x
- - + -
  2   2
Common denominator [src] 
  3   x
- - + -
  2   2
$$\frac{x}{2} - \frac{3}{2}$$ 
-3/2 + x/2
Combinatorics [src] 
  3   x
- - + -
  2   2
$$\frac{x}{2} - \frac{3}{2}$$ 
-3/2 + x/2
Numerical answer [src] 
(-9.0 + x^2)/(6.0 + 2.0*x)
(-9.0 + x^2)/(6.0 + 2.0*x)
Combining rational expressions [src] 
       2 
 -9 + x  
---------
2*(3 + x)
$$\frac{x^{2} - 9}{2 \left(x + 3\right)}$$ 
(-9 + x^2)/(2*(3 + x))
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