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How do you y/(y+2)+(1/(4-y^2)-1/(4-4*y+y^2))/(2/(y-2)^2) in partial fractions?

An expression to simplify:

The solution

You have entered [src]
          1           1      
        ------ - ------------
             2              2
  y     4 - y    4 - 4*y + y 
----- + ---------------------
y + 2         /   2    \     
              |--------|     
              |       2|     
              \(y - 2) /     
$$\frac{y}{y + 2} + \frac{- \frac{1}{y^{2} + \left(4 - 4 y\right)} + \frac{1}{4 - y^{2}}}{2 \frac{1}{\left(y - 2\right)^{2}}}$$
y/(y + 2) + (1/(4 - y^2) - 1/(4 - 4*y + y^2))/((2/(y - 2)^2))
Fraction decomposition [src]
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General simplification [src]
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Expand expression [src]
               2 /  1           1      \
        (y - 2) *|------ - ------------|
                 |     2              2|
  y              \4 - y    4 - 4*y + y /
----- + --------------------------------
y + 2                  2                
$$\frac{y}{y + 2} + \frac{\left(y - 2\right)^{2} \left(- \frac{1}{y^{2} + \left(4 - 4 y\right)} + \frac{1}{4 - y^{2}}\right)}{2}$$
y/(y + 2) + (y - 2)^2*(1/(4 - y^2) - 1/(4 - 4*y + y^2))/2
Powers [src]
                2 /  1           1      \
        (-2 + y) *|------ - ------------|
                  |     2        2      |
  y               \4 - y    4 + y  - 4*y/
----- + ---------------------------------
2 + y                   2                
$$\frac{y}{y + 2} + \frac{\left(y - 2\right)^{2} \left(- \frac{1}{y^{2} - 4 y + 4} + \frac{1}{4 - y^{2}}\right)}{2}$$
  y             2 /    1               1        \
----- + (-2 + y) *|---------- - ----------------|
2 + y             |  /     2\     /     2      \|
                  \2*\4 - y /   2*\4 + y  - 4*y//
$$\frac{y}{y + 2} + \left(y - 2\right)^{2} \left(- \frac{1}{2 \left(y^{2} - 4 y + 4\right)} + \frac{1}{2 \left(4 - y^{2}\right)}\right)$$
y/(2 + y) + (-2 + y)^2*(1/(2*(4 - y^2)) - 1/(2*(4 + y^2 - 4*y)))
Assemble expression [src]
                2 /  1           1      \
        (-2 + y) *|------ - ------------|
                  |     2        2      |
  y               \4 - y    4 + y  - 4*y/
----- + ---------------------------------
2 + y                   2                
$$\frac{y}{y + 2} + \frac{\left(y - 2\right)^{2} \left(- \frac{1}{y^{2} - 4 y + 4} + \frac{1}{4 - y^{2}}\right)}{2}$$
y/(2 + y) + (-2 + y)^2*(1/(4 - y^2) - 1/(4 + y^2 - 4*y))/2
Numerical answer [src]
y/(2.0 + y) + 2.0*(-1 + 0.5*y)^2*(1/(4.0 - y^2) - 1/(4.0 + y^2 - 4.0*y))
y/(2.0 + y) + 2.0*(-1 + 0.5*y)^2*(1/(4.0 - y^2) - 1/(4.0 + y^2 - 4.0*y))
Rational denominator [src]
        2         /          2\       /     2\ /     2      \
(-2 + y) *(2 + y)*\-4*y + 2*y / + 2*y*\4 - y /*\4 + y  - 4*y/
-------------------------------------------------------------
                        /     2\ /     2      \              
              2*(2 + y)*\4 - y /*\4 + y  - 4*y/              
$$\frac{2 y \left(4 - y^{2}\right) \left(y^{2} - 4 y + 4\right) + \left(y - 2\right)^{2} \left(y + 2\right) \left(2 y^{2} - 4 y\right)}{2 \left(4 - y^{2}\right) \left(y + 2\right) \left(y^{2} - 4 y + 4\right)}$$
((-2 + y)^2*(2 + y)*(-4*y + 2*y^2) + 2*y*(4 - y^2)*(4 + y^2 - 4*y))/(2*(2 + y)*(4 - y^2)*(4 + y^2 - 4*y))
Common denominator [src]
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Combinatorics [src]
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Combining rational expressions [src]
  /     2\ /     2      \           2         / 2      \
y*\4 - y /*\4 + y  - 4*y/ + (-2 + y) *(2 + y)*\y  - 2*y/
--------------------------------------------------------
                    /     2\ /     2      \             
            (2 + y)*\4 - y /*\4 + y  - 4*y/             
$$\frac{y \left(4 - y^{2}\right) \left(y^{2} - 4 y + 4\right) + \left(y - 2\right)^{2} \left(y + 2\right) \left(y^{2} - 2 y\right)}{\left(4 - y^{2}\right) \left(y + 2\right) \left(y^{2} - 4 y + 4\right)}$$
(y*(4 - y^2)*(4 + y^2 - 4*y) + (-2 + y)^2*(2 + y)*(y^2 - 2*y))/((2 + y)*(4 - y^2)*(4 + y^2 - 4*y))
Trigonometric part [src]
                2 /  1           1      \
        (-2 + y) *|------ - ------------|
                  |     2        2      |
  y               \4 - y    4 + y  - 4*y/
----- + ---------------------------------
2 + y                   2                
$$\frac{y}{y + 2} + \frac{\left(y - 2\right)^{2} \left(- \frac{1}{y^{2} - 4 y + 4} + \frac{1}{4 - y^{2}}\right)}{2}$$
y/(2 + y) + (-2 + y)^2*(1/(4 - y^2) - 1/(4 + y^2 - 4*y))/2