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Factor polynomial 2*c^4-4*c^3+2*c

An expression to simplify:

The solution

You have entered [src]
   4      3      
2*c  - 4*c  + 2*c
$$2 c + \left(2 c^{4} - 4 c^{3}\right)$$
2*c^4 - 4*c^3 + 2*c
Factorization [src]
          /            ___\ /            ___\
          |      1   \/ 5 | |      1   \/ 5 |
c*(c - 1)*|c + - - + -----|*|c + - - - -----|
          \      2     2  / \      2     2  /
$$c \left(c - 1\right) \left(c + \left(- \frac{1}{2} + \frac{\sqrt{5}}{2}\right)\right) \left(c + \left(- \frac{\sqrt{5}}{2} - \frac{1}{2}\right)\right)$$
((c*(c - 1))*(c - 1/2 + sqrt(5)/2))*(c - 1/2 - sqrt(5)/2)
General simplification [src]
    /     3      2\
2*c*\1 + c  - 2*c /
$$2 c \left(c^{3} - 2 c^{2} + 1\right)$$
2*c*(1 + c^3 - 2*c^2)
Rational denominator [src]
     3            4
- 4*c  + 2*c + 2*c 
$$2 c^{4} - 4 c^{3} + 2 c$$
-4*c^3 + 2*c + 2*c^4
Combining rational expressions [src]
    /     2         \
2*c*\1 + c *(-2 + c)/
$$2 c \left(c^{2} \left(c - 2\right) + 1\right)$$
2*c*(1 + c^2*(-2 + c))
Combinatorics [src]
             /      2    \
2*c*(-1 + c)*\-1 + c  - c/
$$2 c \left(c - 1\right) \left(c^{2} - c - 1\right)$$
2*c*(-1 + c)*(-1 + c^2 - c)
Assemble expression [src]
     3            4
- 4*c  + 2*c + 2*c 
$$2 c^{4} - 4 c^{3} + 2 c$$
-4*c^3 + 2*c + 2*c^4
Powers [src]
     3            4
- 4*c  + 2*c + 2*c 
$$2 c^{4} - 4 c^{3} + 2 c$$
-4*c^3 + 2*c + 2*c^4
Numerical answer [src]
2.0*c + 2.0*c^4 - 4.0*c^3
2.0*c + 2.0*c^4 - 4.0*c^3
Common denominator [src]
     3            4
- 4*c  + 2*c + 2*c 
$$2 c^{4} - 4 c^{3} + 2 c$$
-4*c^3 + 2*c + 2*c^4
Trigonometric part [src]
     3            4
- 4*c  + 2*c + 2*c 
$$2 c^{4} - 4 c^{3} + 2 c$$
-4*c^3 + 2*c + 2*c^4