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¿Cómo vas a descomponer esta 6*(-1-(8+x^2)/(1+x)^2+2*x/(1+x))/(1+x)^2 expresión en fracciones?

Expresión a simplificar:

Solución

Ha introducido [src]
  /           2         \
  |      8 + x      2*x |
6*|-1 - -------- + -----|
  |            2   1 + x|
  \     (1 + x)         /
-------------------------
                2        
         (1 + x)         
$$\frac{6 \left(\frac{2 x}{x + 1} + \left(-1 - \frac{x^{2} + 8}{\left(x + 1\right)^{2}}\right)\right)}{\left(x + 1\right)^{2}}$$
(6*(-1 - (8 + x^2)/(1 + x)^2 + (2*x)/(1 + x)))/(1 + x)^2
Descomposición de una fracción [src]
-54/(1 + x)^4
$$- \frac{54}{\left(x + 1\right)^{4}}$$
  -54   
--------
       4
(1 + x) 
Simplificación general [src]
           -54            
--------------------------
     4            3      2
1 + x  + 4*x + 4*x  + 6*x 
$$- \frac{54}{x^{4} + 4 x^{3} + 6 x^{2} + 4 x + 1}$$
-54/(1 + x^4 + 4*x + 4*x^3 + 6*x^2)
Respuesta numérica [src]
(-6.0 + 12.0*x/(1.0 + x) - 6.0*(8.0 + x^2)/(1.0 + x)^2)/(1.0 + x)^2
(-6.0 + 12.0*x/(1.0 + x) - 6.0*(8.0 + x^2)/(1.0 + x)^2)/(1.0 + x)^2
Compilar la expresión [src]
       /     2\        
     6*\8 + x /    12*x
-6 - ---------- + -----
             2    1 + x
      (1 + x)          
-----------------------
               2       
        (1 + x)        
$$\frac{\frac{12 x}{x + 1} - 6 - \frac{6 \left(x^{2} + 8\right)}{\left(x + 1\right)^{2}}}{\left(x + 1\right)^{2}}$$
(-6 - 6*(8 + x^2)/(1 + x)^2 + 12*x/(1 + x))/(1 + x)^2
Unión de expresiones racionales [src]
  /      2          2              \
6*\-8 - x  - (1 + x)  + 2*x*(1 + x)/
------------------------------------
                     4              
              (1 + x)               
$$\frac{6 \left(- x^{2} + 2 x \left(x + 1\right) - \left(x + 1\right)^{2} - 8\right)}{\left(x + 1\right)^{4}}$$
6*(-8 - x^2 - (1 + x)^2 + 2*x*(1 + x))/(1 + x)^4
Denominador común [src]
           -54            
--------------------------
     4            3      2
1 + x  + 4*x + 4*x  + 6*x 
$$- \frac{54}{x^{4} + 4 x^{3} + 6 x^{2} + 4 x + 1}$$
-54/(1 + x^4 + 4*x + 4*x^3 + 6*x^2)
Parte trigonométrica [src]
       /     2\        
     6*\8 + x /    12*x
-6 - ---------- + -----
             2    1 + x
      (1 + x)          
-----------------------
               2       
        (1 + x)        
$$\frac{\frac{12 x}{x + 1} - 6 - \frac{6 \left(x^{2} + 8\right)}{\left(x + 1\right)^{2}}}{\left(x + 1\right)^{2}}$$
(-6 - 6*(8 + x^2)/(1 + x)^2 + 12*x/(1 + x))/(1 + x)^2
Denominador racional [src]
          /      2          2\               2
6*(1 + x)*\-8 - x  - (1 + x) / + 12*x*(1 + x) 
----------------------------------------------
                          5                   
                   (1 + x)                    
$$\frac{12 x \left(x + 1\right)^{2} + 6 \left(x + 1\right) \left(- x^{2} - \left(x + 1\right)^{2} - 8\right)}{\left(x + 1\right)^{5}}$$
(6*(1 + x)*(-8 - x^2 - (1 + x)^2) + 12*x*(1 + x)^2)/(1 + x)^5
Combinatoria [src]
  -54   
--------
       4
(1 + x) 
$$- \frac{54}{\left(x + 1\right)^{4}}$$
-54/(1 + x)^4
Potencias [src]
       /      2\        
     6*\-8 - x /    12*x
-6 + ----------- + -----
              2    1 + x
       (1 + x)          
------------------------
               2        
        (1 + x)         
$$\frac{\frac{12 x}{x + 1} - 6 + \frac{6 \left(- x^{2} - 8\right)}{\left(x + 1\right)^{2}}}{\left(x + 1\right)^{2}}$$
       /     2\        
     6*\8 + x /    12*x
-6 - ---------- + -----
             2    1 + x
      (1 + x)          
-----------------------
               2       
        (1 + x)        
$$\frac{\frac{12 x}{x + 1} - 6 - \frac{6 \left(x^{2} + 8\right)}{\left(x + 1\right)^{2}}}{\left(x + 1\right)^{2}}$$
              2        
     -48 - 6*x     12*x
-6 + ---------- + -----
             2    1 + x
      (1 + x)          
-----------------------
               2       
        (1 + x)        
$$\frac{\frac{12 x}{x + 1} - 6 + \frac{- 6 x^{2} - 48}{\left(x + 1\right)^{2}}}{\left(x + 1\right)^{2}}$$
(-6 + (-48 - 6*x^2)/(1 + x)^2 + 12*x/(1 + x))/(1 + x)^2