x^6-4x^3+1=0

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Solution for x^6-4x^3+1=0 equation:


Simplifying
x6 + -4x3 + 1 = 0

Reorder the terms:
1 + -4x3 + x6 = 0

Solving
1 + -4x3 + x6 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-1' to each side of the equation.
1 + -4x3 + -1 + x6 = 0 + -1

Reorder the terms:
1 + -1 + -4x3 + x6 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -4x3 + x6 = 0 + -1
-4x3 + x6 = 0 + -1

Combine like terms: 0 + -1 = -1
-4x3 + x6 = -1

The x term is -4x3.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4x3 + 4 + x6 = -1 + 4

Reorder the terms:
4 + -4x3 + x6 = -1 + 4

Combine like terms: -1 + 4 = 3
4 + -4x3 + x6 = 3

Factor a perfect square on the left side:
(x3 + -2)(x3 + -2) = 3

Calculate the square root of the right side: 1.732050808

Break this problem into two subproblems by setting 
(x3 + -2) equal to 1.732050808 and -1.732050808.

Subproblem 1

x3 + -2 = 1.732050808 Simplifying x3 + -2 = 1.732050808 Reorder the terms: -2 + x3 = 1.732050808 Solving -2 + x3 = 1.732050808 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x3 = 1.732050808 + 2 Combine like terms: -2 + 2 = 0 0 + x3 = 1.732050808 + 2 x3 = 1.732050808 + 2 Combine like terms: 1.732050808 + 2 = 3.732050808 x3 = 3.732050808 Simplifying x3 = 3.732050808 Reorder the terms: -3.732050808 + x3 = 3.732050808 + -3.732050808 Combine like terms: 3.732050808 + -3.732050808 = 0.000000000 -3.732050808 + x3 = 0.000000000 The solution to this equation could not be determined.This subproblem is being ignored because a solution could not be determined.

Subproblem 2

x3 + -2 = -1.732050808 Simplifying x3 + -2 = -1.732050808 Reorder the terms: -2 + x3 = -1.732050808 Solving -2 + x3 = -1.732050808 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x3 = -1.732050808 + 2 Combine like terms: -2 + 2 = 0 0 + x3 = -1.732050808 + 2 x3 = -1.732050808 + 2 Combine like terms: -1.732050808 + 2 = 0.267949192 x3 = 0.267949192 Simplifying x3 = 0.267949192 Reorder the terms: -0.267949192 + x3 = 0.267949192 + -0.267949192 Combine like terms: 0.267949192 + -0.267949192 = 0.000000000 -0.267949192 + x3 = 0.000000000 The solution to this equation could not be determined.This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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