=x^4-2x^3+x^2+x-1

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Solution for =x^4-2x^3+x^2+x-1 equation:


Simplifying
0 = x4 + -2x3 + x2 + x + -1

Reorder the terms:
0 = -1 + x + x2 + -2x3 + x4

Solving
0 = -1 + x + x2 + -2x3 + x4

Solving for variable 'x'.

Combine like terms: 0 + 1 = 1
1 + -1x + -1x2 + 2x3 + -1x4 = -1 + x + x2 + -2x3 + x4 + 1 + -1x + -1x2 + 2x3 + -1x4

Reorder the terms:
1 + -1x + -1x2 + 2x3 + -1x4 = -1 + 1 + x + -1x + x2 + -1x2 + -2x3 + 2x3 + x4 + -1x4

Combine like terms: -1 + 1 = 0
1 + -1x + -1x2 + 2x3 + -1x4 = 0 + x + -1x + x2 + -1x2 + -2x3 + 2x3 + x4 + -1x4
1 + -1x + -1x2 + 2x3 + -1x4 = x + -1x + x2 + -1x2 + -2x3 + 2x3 + x4 + -1x4

Combine like terms: x + -1x = 0
1 + -1x + -1x2 + 2x3 + -1x4 = 0 + x2 + -1x2 + -2x3 + 2x3 + x4 + -1x4
1 + -1x + -1x2 + 2x3 + -1x4 = x2 + -1x2 + -2x3 + 2x3 + x4 + -1x4

Combine like terms: x2 + -1x2 = 0
1 + -1x + -1x2 + 2x3 + -1x4 = 0 + -2x3 + 2x3 + x4 + -1x4
1 + -1x + -1x2 + 2x3 + -1x4 = -2x3 + 2x3 + x4 + -1x4

Combine like terms: -2x3 + 2x3 = 0
1 + -1x + -1x2 + 2x3 + -1x4 = 0 + x4 + -1x4
1 + -1x + -1x2 + 2x3 + -1x4 = x4 + -1x4

Combine like terms: x4 + -1x4 = 0
1 + -1x + -1x2 + 2x3 + -1x4 = 0

The solution to this equation could not be determined.

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