X^4+x^2-8=0

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Solution for X^4+x^2-8=0 equation: 


Simplifying
X4 + x2 + -8 = 0

Reorder the terms:
-8 + X4 + x2 = 0

Solving
-8 + X4 + x2 = 0

Solving for variable 'X'.

Move all terms containing X to the left, all other terms to the right.

Add '8' to each side of the equation.
-8 + X4 + 8 + x2 = 0 + 8

Reorder the terms:
-8 + 8 + X4 + x2 = 0 + 8

Combine like terms: -8 + 8 = 0
0 + X4 + x2 = 0 + 8
X4 + x2 = 0 + 8

Combine like terms: 0 + 8 = 8
X4 + x2 = 8

Add '-1x2' to each side of the equation.
X4 + x2 + -1x2 = 8 + -1x2

Combine like terms: x2 + -1x2 = 0
X4 + 0 = 8 + -1x2
X4 = 8 + -1x2

Simplifying
X4 = 8 + -1x2

Reorder the terms:
-8 + X4 + x2 = 8 + -1x2 + -8 + x2

Reorder the terms:
-8 + X4 + x2 = 8 + -8 + -1x2 + x2

Combine like terms: 8 + -8 = 0
-8 + X4 + x2 = 0 + -1x2 + x2
-8 + X4 + x2 = -1x2 + x2

Combine like terms: -1x2 + x2 = 0
-8 + X4 + x2 = 0

The solution to this equation could not be determined.

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