0=-x^4+5x^2-2x-1

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Solution for 0=-x^4+5x^2-2x-1 equation: 


Simplifying
0 = -1x4 + 5x2 + -2x + -1

Reorder the terms:
0 = -1 + -2x + 5x2 + -1x4

Solving
0 = -1 + -2x + 5x2 + -1x4

Solving for variable 'x'.

Combine like terms: 0 + 1 = 1
1 + 2x + -5x2 + x4 = -1 + -2x + 5x2 + -1x4 + 1 + 2x + -5x2 + x4

Reorder the terms:
1 + 2x + -5x2 + x4 = -1 + 1 + -2x + 2x + 5x2 + -5x2 + -1x4 + x4

Combine like terms: -1 + 1 = 0
1 + 2x + -5x2 + x4 = 0 + -2x + 2x + 5x2 + -5x2 + -1x4 + x4
1 + 2x + -5x2 + x4 = -2x + 2x + 5x2 + -5x2 + -1x4 + x4

Combine like terms: -2x + 2x = 0
1 + 2x + -5x2 + x4 = 0 + 5x2 + -5x2 + -1x4 + x4
1 + 2x + -5x2 + x4 = 5x2 + -5x2 + -1x4 + x4

Combine like terms: 5x2 + -5x2 = 0
1 + 2x + -5x2 + x4 = 0 + -1x4 + x4
1 + 2x + -5x2 + x4 = -1x4 + x4

Combine like terms: -1x4 + x4 = 0
1 + 2x + -5x2 + x4 = 0

The solution to this equation could not be determined.

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