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

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


Simplifying
x6 + -3x3 + 1 = 0

Reorder the terms:
1 + -3x3 + x6 = 0

Solving
1 + -3x3 + 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 + -3x3 + -1 + x6 = 0 + -1

Reorder the terms:
1 + -1 + -3x3 + x6 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -3x3 + x6 = 0 + -1
-3x3 + x6 = 0 + -1

Combine like terms: 0 + -1 = -1
-3x3 + x6 = -1

The x term is -3x3.  Take half its coefficient (-1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
-3x3 + 2.25 + x6 = -1 + 2.25

Reorder the terms:
2.25 + -3x3 + x6 = -1 + 2.25

Combine like terms: -1 + 2.25 = 1.25
2.25 + -3x3 + x6 = 1.25

Factor a perfect square on the left side:
(x3 + -1.5)(x3 + -1.5) = 1.25

Calculate the square root of the right side: 1.118033989

Break this problem into two subproblems by setting 
(x3 + -1.5) equal to 1.118033989 and -1.118033989.

Subproblem 1

x3 + -1.5 = 1.118033989 Simplifying x3 + -1.5 = 1.118033989 Reorder the terms: -1.5 + x3 = 1.118033989 Solving -1.5 + x3 = 1.118033989 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.5' to each side of the equation. -1.5 + 1.5 + x3 = 1.118033989 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + x3 = 1.118033989 + 1.5 x3 = 1.118033989 + 1.5 Combine like terms: 1.118033989 + 1.5 = 2.618033989 x3 = 2.618033989 Simplifying x3 = 2.618033989 Reorder the terms: -2.618033989 + x3 = 2.618033989 + -2.618033989 Combine like terms: 2.618033989 + -2.618033989 = 0.000000000 -2.618033989 + 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 + -1.5 = -1.118033989 Simplifying x3 + -1.5 = -1.118033989 Reorder the terms: -1.5 + x3 = -1.118033989 Solving -1.5 + x3 = -1.118033989 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.5' to each side of the equation. -1.5 + 1.5 + x3 = -1.118033989 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + x3 = -1.118033989 + 1.5 x3 = -1.118033989 + 1.5 Combine like terms: -1.118033989 + 1.5 = 0.381966011 x3 = 0.381966011 Simplifying x3 = 0.381966011 Reorder the terms: -0.381966011 + x3 = 0.381966011 + -0.381966011 Combine like terms: 0.381966011 + -0.381966011 = 0.000000000 -0.381966011 + 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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