3x^4-4x^2+11=0

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Solution for 3x^4-4x^2+11=0 equation:


Simplifying
3x4 + -4x2 + 11 = 0

Reorder the terms:
11 + -4x2 + 3x4 = 0

Solving
11 + -4x2 + 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'.
3.666666667 + -1.333333333x2 + x4 = 0

Move the constant term to the right:

Add '-3.666666667' to each side of the equation.
3.666666667 + -1.333333333x2 + -3.666666667 + x4 = 0 + -3.666666667

Reorder the terms:
3.666666667 + -3.666666667 + -1.333333333x2 + x4 = 0 + -3.666666667

Combine like terms: 3.666666667 + -3.666666667 = 0.000000000
0.000000000 + -1.333333333x2 + x4 = 0 + -3.666666667
-1.333333333x2 + x4 = 0 + -3.666666667

Combine like terms: 0 + -3.666666667 = -3.666666667
-1.333333333x2 + x4 = -3.666666667

The x term is -1.333333333x2.  Take half its coefficient (-0.6666666665).
Square it (0.4444444442) and add it to both sides.

Add '0.4444444442' to each side of the equation.
-1.333333333x2 + 0.4444444442 + x4 = -3.666666667 + 0.4444444442

Reorder the terms:
0.4444444442 + -1.333333333x2 + x4 = -3.666666667 + 0.4444444442

Combine like terms: -3.666666667 + 0.4444444442 = -3.2222222228
0.4444444442 + -1.333333333x2 + x4 = -3.2222222228

Factor a perfect square on the left side:
(x2 + -0.6666666665)(x2 + -0.6666666665) = -3.2222222228

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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