0=x^4-x^3-x^2-x

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Solution for 0=x^4-x^3-x^2-x equation:


Simplifying
0 = x4 + -1x3 + -1x2 + -1x

Reorder the terms:
0 = -1x + -1x2 + -1x3 + x4

Solving
0 = -1x + -1x2 + -1x3 + x4

Solving for variable 'x'.
Remove the zero:
x + x2 + x3 + -1x4 = -1x + -1x2 + -1x3 + x4 + x + x2 + x3 + -1x4

Reorder the terms:
x + x2 + x3 + -1x4 = -1x + x + -1x2 + x2 + -1x3 + x3 + x4 + -1x4

Combine like terms: -1x + x = 0
x + x2 + x3 + -1x4 = 0 + -1x2 + x2 + -1x3 + x3 + x4 + -1x4
x + x2 + x3 + -1x4 = -1x2 + x2 + -1x3 + x3 + x4 + -1x4

Combine like terms: -1x2 + x2 = 0
x + x2 + x3 + -1x4 = 0 + -1x3 + x3 + x4 + -1x4
x + x2 + x3 + -1x4 = -1x3 + x3 + x4 + -1x4

Combine like terms: -1x3 + x3 = 0
x + x2 + x3 + -1x4 = 0 + x4 + -1x4
x + x2 + x3 + -1x4 = x4 + -1x4

Combine like terms: x4 + -1x4 = 0
x + x2 + x3 + -1x4 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(1 + x + x2 + -1x3) = 0

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(1 + x + x2 + -1x3)' equal to zero and attempt to solve: Simplifying 1 + x + x2 + -1x3 = 0 Solving 1 + x + x2 + -1x3 = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Solution

x = {0}

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