x^4-6x^2-14=0

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Solution for x^4-6x^2-14=0 equation:


Simplifying
x4 + -6x2 + -14 = 0

Reorder the terms:
-14 + -6x2 + x4 = 0

Solving
-14 + -6x2 + x4 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '14' to each side of the equation.
-14 + -6x2 + 14 + x4 = 0 + 14

Reorder the terms:
-14 + 14 + -6x2 + x4 = 0 + 14

Combine like terms: -14 + 14 = 0
0 + -6x2 + x4 = 0 + 14
-6x2 + x4 = 0 + 14

Combine like terms: 0 + 14 = 14
-6x2 + x4 = 14

The x term is -6x2.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6x2 + 9 + x4 = 14 + 9

Reorder the terms:
9 + -6x2 + x4 = 14 + 9

Combine like terms: 14 + 9 = 23
9 + -6x2 + x4 = 23

Factor a perfect square on the left side:
(x2 + -3)(x2 + -3) = 23

Calculate the square root of the right side: 4.795831523

Break this problem into two subproblems by setting 
(x2 + -3) equal to 4.795831523 and -4.795831523.

Subproblem 1

x2 + -3 = 4.795831523 Simplifying x2 + -3 = 4.795831523 Reorder the terms: -3 + x2 = 4.795831523 Solving -3 + x2 = 4.795831523 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x2 = 4.795831523 + 3 Combine like terms: -3 + 3 = 0 0 + x2 = 4.795831523 + 3 x2 = 4.795831523 + 3 Combine like terms: 4.795831523 + 3 = 7.795831523 x2 = 7.795831523 Simplifying x2 = 7.795831523 Take the square root of each side: x = {-2.792101632, 2.792101632}

Subproblem 2

x2 + -3 = -4.795831523 Simplifying x2 + -3 = -4.795831523 Reorder the terms: -3 + x2 = -4.795831523 Solving -3 + x2 = -4.795831523 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x2 = -4.795831523 + 3 Combine like terms: -3 + 3 = 0 0 + x2 = -4.795831523 + 3 x2 = -4.795831523 + 3 Combine like terms: -4.795831523 + 3 = -1.795831523 x2 = -1.795831523 Simplifying x2 = -1.795831523 Reorder the terms: 1.795831523 + x2 = -1.795831523 + 1.795831523 Combine like terms: -1.795831523 + 1.795831523 = 0.000000000 1.795831523 + x2 = 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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