x^8+4x^4+100=0

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Solution for x^8+4x^4+100=0 equation:


Simplifying
x8 + 4x4 + 100 = 0

Reorder the terms:
100 + 4x4 + x8 = 0

Solving
100 + 4x4 + x8 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-100' to each side of the equation.
100 + 4x4 + -100 + x8 = 0 + -100

Reorder the terms:
100 + -100 + 4x4 + x8 = 0 + -100

Combine like terms: 100 + -100 = 0
0 + 4x4 + x8 = 0 + -100
4x4 + x8 = 0 + -100

Combine like terms: 0 + -100 = -100
4x4 + x8 = -100

The x term is 4x4.  Take half its coefficient (2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
4x4 + 4 + x8 = -100 + 4

Reorder the terms:
4 + 4x4 + x8 = -100 + 4

Combine like terms: -100 + 4 = -96
4 + 4x4 + x8 = -96

Factor a perfect square on the left side:
(x4 + 2)(x4 + 2) = -96

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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