x^4+x^2-2304=0

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Solution for x^4+x^2-2304=0 equation:


Simplifying
x4 + x2 + -2304 = 0

Reorder the terms:
-2304 + x2 + x4 = 0

Solving
-2304 + x2 + x4 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '2304' to each side of the equation.
-2304 + x2 + 2304 + x4 = 0 + 2304

Reorder the terms:
-2304 + 2304 + x2 + x4 = 0 + 2304

Combine like terms: -2304 + 2304 = 0
0 + x2 + x4 = 0 + 2304
x2 + x4 = 0 + 2304

Combine like terms: 0 + 2304 = 2304
x2 + x4 = 2304

The x term is x2.  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.
x2 + 0.25 + x4 = 2304 + 0.25

Reorder the terms:
0.25 + x2 + x4 = 2304 + 0.25

Combine like terms: 2304 + 0.25 = 2304.25
0.25 + x2 + x4 = 2304.25

Factor a perfect square on the left side:
(x2 + 0.5)(x2 + 0.5) = 2304.25

Calculate the square root of the right side: 48.002604096

Break this problem into two subproblems by setting 
(x2 + 0.5) equal to 48.002604096 and -48.002604096.

Subproblem 1

x2 + 0.5 = 48.002604096 Simplifying x2 + 0.5 = 48.002604096 Reorder the terms: 0.5 + x2 = 48.002604096 Solving 0.5 + x2 = 48.002604096 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 + x2 = 48.002604096 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x2 = 48.002604096 + -0.5 x2 = 48.002604096 + -0.5 Combine like terms: 48.002604096 + -0.5 = 47.502604096 x2 = 47.502604096 Simplifying x2 = 47.502604096 Take the square root of each side: x = {-6.892213294, 6.892213294}

Subproblem 2

x2 + 0.5 = -48.002604096 Simplifying x2 + 0.5 = -48.002604096 Reorder the terms: 0.5 + x2 = -48.002604096 Solving 0.5 + x2 = -48.002604096 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 + x2 = -48.002604096 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x2 = -48.002604096 + -0.5 x2 = -48.002604096 + -0.5 Combine like terms: -48.002604096 + -0.5 = -48.502604096 x2 = -48.502604096 Simplifying x2 = -48.502604096 Reorder the terms: 48.502604096 + x2 = -48.502604096 + 48.502604096 Combine like terms: -48.502604096 + 48.502604096 = 0.000000000 48.502604096 + 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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