9x^4+8x^2+36=0

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Solution for 9x^4+8x^2+36=0 equation:


Simplifying
9x4 + 8x2 + 36 = 0

Reorder the terms:
36 + 8x2 + 9x4 = 0

Solving
36 + 8x2 + 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'.
4 + 0.8888888889x2 + x4 = 0

Move the constant term to the right:

Add '-4' to each side of the equation.
4 + 0.8888888889x2 + -4 + x4 = 0 + -4

Reorder the terms:
4 + -4 + 0.8888888889x2 + x4 = 0 + -4

Combine like terms: 4 + -4 = 0
0 + 0.8888888889x2 + x4 = 0 + -4
0.8888888889x2 + x4 = 0 + -4

Combine like terms: 0 + -4 = -4
0.8888888889x2 + x4 = -4

The x term is 0.8888888889x2.  Take half its coefficient (0.4444444445).
Square it (0.1975308642) and add it to both sides.

Add '0.1975308642' to each side of the equation.
0.8888888889x2 + 0.1975308642 + x4 = -4 + 0.1975308642

Reorder the terms:
0.1975308642 + 0.8888888889x2 + x4 = -4 + 0.1975308642

Combine like terms: -4 + 0.1975308642 = -3.8024691358
0.1975308642 + 0.8888888889x2 + x4 = -3.8024691358

Factor a perfect square on the left side:
(x2 + 0.4444444445)(x2 + 0.4444444445) = -3.8024691358

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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