X^4+2x^3+8=0

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Solution for X^4+2x^3+8=0 equation: 


Simplifying
X4 + 2x3 + 8 = 0

Reorder the terms:
8 + X4 + 2x3 = 0

Solving
8 + X4 + 2x3 = 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 + 2x3 = 0 + -8

Reorder the terms:
8 + -8 + X4 + 2x3 = 0 + -8

Combine like terms: 8 + -8 = 0
0 + X4 + 2x3 = 0 + -8
X4 + 2x3 = 0 + -8

Combine like terms: 0 + -8 = -8
X4 + 2x3 = -8

Add '-2x3' to each side of the equation.
X4 + 2x3 + -2x3 = -8 + -2x3

Combine like terms: 2x3 + -2x3 = 0
X4 + 0 = -8 + -2x3
X4 = -8 + -2x3

Simplifying
X4 = -8 + -2x3

Reorder the terms:
8 + X4 + 2x3 = -8 + -2x3 + 8 + 2x3

Reorder the terms:
8 + X4 + 2x3 = -8 + 8 + -2x3 + 2x3

Combine like terms: -8 + 8 = 0
8 + X4 + 2x3 = 0 + -2x3 + 2x3
8 + X4 + 2x3 = -2x3 + 2x3

Combine like terms: -2x3 + 2x3 = 0
8 + X4 + 2x3 = 0

The solution to this equation could not be determined.

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