8882.64396x^4-400x^2+21.04796236=0

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Solution for 8882.64396x^4-400x^2+21.04796236=0 equation: 


Simplifying
8882.64396x4 + -400x2 + 21.04796236 = 0

Reorder the terms:
21.04796236 + -400x2 + 8882.64396x4 = 0

Solving
21.04796236 + -400x2 + 8882.64396x4 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
8882.64396 the coefficient of the squared term: 

Divide each side by '8882.64396'.
0.002369560511 + -0.04503163718x2 + x4 = 0

Move the constant term to the right:

Add '-0.002369560511' to each side of the equation.
0.002369560511 + -0.04503163718x2 + -0.002369560511 + x4 = 0 + -0.002369560511

Reorder the terms:
0.002369560511 + -0.002369560511 + -0.04503163718x2 + x4 = 0 + -0.002369560511

Combine like terms: 0.002369560511 + -0.002369560511 = 0.000000000000
0.000000000000 + -0.04503163718x2 + x4 = 0 + -0.002369560511
-0.04503163718x2 + x4 = 0 + -0.002369560511

Combine like terms: 0 + -0.002369560511 = -0.002369560511
-0.04503163718x2 + x4 = -0.002369560511

The x term is -0.04503163718x2.  Take half its coefficient (-0.02251581859).
Square it (0.0005069620868) and add it to both sides.

Add '0.0005069620868' to each side of the equation.
-0.04503163718x2 + 0.0005069620868 + x4 = -0.002369560511 + 0.0005069620868

Reorder the terms:
0.0005069620868 + -0.04503163718x2 + x4 = -0.002369560511 + 0.0005069620868

Combine like terms: -0.002369560511 + 0.0005069620868 = -0.0018625984242
0.0005069620868 + -0.04503163718x2 + x4 = -0.0018625984242

Factor a perfect square on the left side:
(x2 + -0.02251581859)(x2 + -0.02251581859) = -0.0018625984242

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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