x^4+14x^2+54=0

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Solution for x^4+14x^2+54=0 equation:


Simplifying
x4 + 14x2 + 54 = 0

Reorder the terms:
54 + 14x2 + x4 = 0

Solving
54 + 14x2 + x4 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-54' to each side of the equation.
54 + 14x2 + -54 + x4 = 0 + -54

Reorder the terms:
54 + -54 + 14x2 + x4 = 0 + -54

Combine like terms: 54 + -54 = 0
0 + 14x2 + x4 = 0 + -54
14x2 + x4 = 0 + -54

Combine like terms: 0 + -54 = -54
14x2 + x4 = -54

The x term is 14x2.  Take half its coefficient (7).
Square it (49) and add it to both sides.

Add '49' to each side of the equation.
14x2 + 49 + x4 = -54 + 49

Reorder the terms:
49 + 14x2 + x4 = -54 + 49

Combine like terms: -54 + 49 = -5
49 + 14x2 + x4 = -5

Factor a perfect square on the left side:
(x2 + 7)(x2 + 7) = -5

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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