16x^4-13x^2+36=0

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Solution for 16x^4-13x^2+36=0 equation:


Simplifying
16x4 + -13x2 + 36 = 0

Reorder the terms:
36 + -13x2 + 16x4 = 0

Solving
36 + -13x2 + 16x4 = 0

Solving for variable 'x'.

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

Divide each side by '16'.
2.25 + -0.8125x2 + x4 = 0

Move the constant term to the right:

Add '-2.25' to each side of the equation.
2.25 + -0.8125x2 + -2.25 + x4 = 0 + -2.25

Reorder the terms:
2.25 + -2.25 + -0.8125x2 + x4 = 0 + -2.25

Combine like terms: 2.25 + -2.25 = 0.00
0.00 + -0.8125x2 + x4 = 0 + -2.25
-0.8125x2 + x4 = 0 + -2.25

Combine like terms: 0 + -2.25 = -2.25
-0.8125x2 + x4 = -2.25

The x term is -0.8125x2.  Take half its coefficient (-0.40625).
Square it (0.1650390625) and add it to both sides.

Add '0.1650390625' to each side of the equation.
-0.8125x2 + 0.1650390625 + x4 = -2.25 + 0.1650390625

Reorder the terms:
0.1650390625 + -0.8125x2 + x4 = -2.25 + 0.1650390625

Combine like terms: -2.25 + 0.1650390625 = -2.0849609375
0.1650390625 + -0.8125x2 + x4 = -2.0849609375

Factor a perfect square on the left side:
(x2 + -0.40625)(x2 + -0.40625) = -2.0849609375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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