0=x^4-5x^3+20x-16

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Solution for 0=x^4-5x^3+20x-16 equation: 


Simplifying
0 = x4 + -5x3 + 20x + -16

Reorder the terms:
0 = -16 + 20x + -5x3 + x4

Solving
0 = -16 + 20x + -5x3 + x4

Solving for variable 'x'.

Combine like terms: 0 + 16 = 16
16 + -20x + 5x3 + -1x4 = -16 + 20x + -5x3 + x4 + 16 + -20x + 5x3 + -1x4

Reorder the terms:
16 + -20x + 5x3 + -1x4 = -16 + 16 + 20x + -20x + -5x3 + 5x3 + x4 + -1x4

Combine like terms: -16 + 16 = 0
16 + -20x + 5x3 + -1x4 = 0 + 20x + -20x + -5x3 + 5x3 + x4 + -1x4
16 + -20x + 5x3 + -1x4 = 20x + -20x + -5x3 + 5x3 + x4 + -1x4

Combine like terms: 20x + -20x = 0
16 + -20x + 5x3 + -1x4 = 0 + -5x3 + 5x3 + x4 + -1x4
16 + -20x + 5x3 + -1x4 = -5x3 + 5x3 + x4 + -1x4

Combine like terms: -5x3 + 5x3 = 0
16 + -20x + 5x3 + -1x4 = 0 + x4 + -1x4
16 + -20x + 5x3 + -1x4 = x4 + -1x4

Combine like terms: x4 + -1x4 = 0
16 + -20x + 5x3 + -1x4 = 0

The solution to this equation could not be determined.

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