X^6+X^3-5=0

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Solution for X^6+X^3-5=0 equation:


Simplifying
X6 + X3 + -5 = 0

Reorder the terms:
-5 + X3 + X6 = 0

Solving
-5 + X3 + X6 = 0

Solving for variable 'X'.

Begin completing the square.

Move the constant term to the right:

Add '5' to each side of the equation.
-5 + X3 + 5 + X6 = 0 + 5

Reorder the terms:
-5 + 5 + X3 + X6 = 0 + 5

Combine like terms: -5 + 5 = 0
0 + X3 + X6 = 0 + 5
X3 + X6 = 0 + 5

Combine like terms: 0 + 5 = 5
X3 + X6 = 5

The X term is X3.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
X3 + 0.25 + X6 = 5 + 0.25

Reorder the terms:
0.25 + X3 + X6 = 5 + 0.25

Combine like terms: 5 + 0.25 = 5.25
0.25 + X3 + X6 = 5.25

Factor a perfect square on the left side:
(X3 + 0.5)(X3 + 0.5) = 5.25

Calculate the square root of the right side: 2.291287847

Break this problem into two subproblems by setting 
(X3 + 0.5) equal to 2.291287847 and -2.291287847.

Subproblem 1

X3 + 0.5 = 2.291287847 Simplifying X3 + 0.5 = 2.291287847 Reorder the terms: 0.5 + X3 = 2.291287847 Solving 0.5 + X3 = 2.291287847 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + X3 = 2.291287847 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + X3 = 2.291287847 + -0.5 X3 = 2.291287847 + -0.5 Combine like terms: 2.291287847 + -0.5 = 1.791287847 X3 = 1.791287847 Simplifying X3 = 1.791287847 Reorder the terms: -1.791287847 + X3 = 1.791287847 + -1.791287847 Combine like terms: 1.791287847 + -1.791287847 = 0.000000000 -1.791287847 + 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 + 0.5 = -2.291287847 Simplifying X3 + 0.5 = -2.291287847 Reorder the terms: 0.5 + X3 = -2.291287847 Solving 0.5 + X3 = -2.291287847 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + X3 = -2.291287847 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + X3 = -2.291287847 + -0.5 X3 = -2.291287847 + -0.5 Combine like terms: -2.291287847 + -0.5 = -2.791287847 X3 = -2.791287847 Simplifying X3 = -2.791287847 Reorder the terms: 2.791287847 + X3 = -2.791287847 + 2.791287847 Combine like terms: -2.791287847 + 2.791287847 = 0.000000000 2.791287847 + 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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