3x^4-2x^2-24=0

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Solution for 3x^4-2x^2-24=0 equation:


Simplifying
3x4 + -2x2 + -24 = 0

Reorder the terms:
-24 + -2x2 + 3x4 = 0

Solving
-24 + -2x2 + 3x4 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
3 the coefficient of the squared term: 

Divide each side by '3'.
-8 + -0.6666666667x2 + x4 = 0

Move the constant term to the right:

Add '8' to each side of the equation.
-8 + -0.6666666667x2 + 8 + x4 = 0 + 8

Reorder the terms:
-8 + 8 + -0.6666666667x2 + x4 = 0 + 8

Combine like terms: -8 + 8 = 0
0 + -0.6666666667x2 + x4 = 0 + 8
-0.6666666667x2 + x4 = 0 + 8

Combine like terms: 0 + 8 = 8
-0.6666666667x2 + x4 = 8

The x term is -0.6666666667x2.  Take half its coefficient (-0.3333333334).
Square it (0.1111111112) and add it to both sides.

Add '0.1111111112' to each side of the equation.
-0.6666666667x2 + 0.1111111112 + x4 = 8 + 0.1111111112

Reorder the terms:
0.1111111112 + -0.6666666667x2 + x4 = 8 + 0.1111111112

Combine like terms: 8 + 0.1111111112 = 8.1111111112
0.1111111112 + -0.6666666667x2 + x4 = 8.1111111112

Factor a perfect square on the left side:
(x2 + -0.3333333334)(x2 + -0.3333333334) = 8.1111111112

Calculate the square root of the right side: 2.848001248

Break this problem into two subproblems by setting 
(x2 + -0.3333333334) equal to 2.848001248 and -2.848001248.

Subproblem 1

x2 + -0.3333333334 = 2.848001248 Simplifying x2 + -0.3333333334 = 2.848001248 Reorder the terms: -0.3333333334 + x2 = 2.848001248 Solving -0.3333333334 + x2 = 2.848001248 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3333333334' to each side of the equation. -0.3333333334 + 0.3333333334 + x2 = 2.848001248 + 0.3333333334 Combine like terms: -0.3333333334 + 0.3333333334 = 0.0000000000 0.0000000000 + x2 = 2.848001248 + 0.3333333334 x2 = 2.848001248 + 0.3333333334 Combine like terms: 2.848001248 + 0.3333333334 = 3.1813345814 x2 = 3.1813345814 Simplifying x2 = 3.1813345814 Take the square root of each side: x = {-1.783629609, 1.783629609}

Subproblem 2

x2 + -0.3333333334 = -2.848001248 Simplifying x2 + -0.3333333334 = -2.848001248 Reorder the terms: -0.3333333334 + x2 = -2.848001248 Solving -0.3333333334 + x2 = -2.848001248 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3333333334' to each side of the equation. -0.3333333334 + 0.3333333334 + x2 = -2.848001248 + 0.3333333334 Combine like terms: -0.3333333334 + 0.3333333334 = 0.0000000000 0.0000000000 + x2 = -2.848001248 + 0.3333333334 x2 = -2.848001248 + 0.3333333334 Combine like terms: -2.848001248 + 0.3333333334 = -2.5146679146 x2 = -2.5146679146 Simplifying x2 = -2.5146679146 Reorder the terms: 2.5146679146 + x2 = -2.5146679146 + 2.5146679146 Combine like terms: -2.5146679146 + 2.5146679146 = 0.0000000000 2.5146679146 + x2 = 0.0000000000 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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