9x^4+6x^2+2=0

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Solution for 9x^4+6x^2+2=0 equation:


Simplifying
9x4 + 6x2 + 2 = 0

Reorder the terms:
2 + 6x2 + 9x4 = 0

Solving
2 + 6x2 + 9x4 = 0

Solving for variable 'x'.

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

Divide each side by '9'.
0.2222222222 + 0.6666666667x2 + x4 = 0

Move the constant term to the right:

Add '-0.2222222222' to each side of the equation.
0.2222222222 + 0.6666666667x2 + -0.2222222222 + x4 = 0 + -0.2222222222

Reorder the terms:
0.2222222222 + -0.2222222222 + 0.6666666667x2 + x4 = 0 + -0.2222222222

Combine like terms: 0.2222222222 + -0.2222222222 = 0.0000000000
0.0000000000 + 0.6666666667x2 + x4 = 0 + -0.2222222222
0.6666666667x2 + x4 = 0 + -0.2222222222

Combine like terms: 0 + -0.2222222222 = -0.2222222222
0.6666666667x2 + x4 = -0.2222222222

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 = -0.2222222222 + 0.1111111112

Reorder the terms:
0.1111111112 + 0.6666666667x2 + x4 = -0.2222222222 + 0.1111111112

Combine like terms: -0.2222222222 + 0.1111111112 = -0.111111111
0.1111111112 + 0.6666666667x2 + x4 = -0.111111111

Factor a perfect square on the left side:
(x2 + 0.3333333334)(x2 + 0.3333333334) = -0.111111111

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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