X^4-2x^3-7x^2-2x-8=0

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Solution for X^4-2x^3-7x^2-2x-8=0 equation: 


Simplifying
X4 + -2x3 + -7x2 + -2x + -8 = 0

Reorder the terms:
-8 + X4 + -2x + -7x2 + -2x3 = 0

Solving
-8 + X4 + -2x + -7x2 + -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 + -2x + -7x2 + 8 + -2x3 = 0 + 8

Reorder the terms:
-8 + 8 + X4 + -2x + -7x2 + -2x3 = 0 + 8

Combine like terms: -8 + 8 = 0
0 + X4 + -2x + -7x2 + -2x3 = 0 + 8
X4 + -2x + -7x2 + -2x3 = 0 + 8

Combine like terms: 0 + 8 = 8
X4 + -2x + -7x2 + -2x3 = 8

Add '2x' to each side of the equation.
X4 + -2x + -7x2 + 2x + -2x3 = 8 + 2x

Reorder the terms:
X4 + -2x + 2x + -7x2 + -2x3 = 8 + 2x

Combine like terms: -2x + 2x = 0
X4 + 0 + -7x2 + -2x3 = 8 + 2x
X4 + -7x2 + -2x3 = 8 + 2x

Add '7x2' to each side of the equation.
X4 + -7x2 + 7x2 + -2x3 = 8 + 2x + 7x2

Combine like terms: -7x2 + 7x2 = 0
X4 + 0 + -2x3 = 8 + 2x + 7x2
X4 + -2x3 = 8 + 2x + 7x2

Add '2x3' to each side of the equation.
X4 + -2x3 + 2x3 = 8 + 2x + 7x2 + 2x3

Combine like terms: -2x3 + 2x3 = 0
X4 + 0 = 8 + 2x + 7x2 + 2x3
X4 = 8 + 2x + 7x2 + 2x3

Simplifying
X4 = 8 + 2x + 7x2 + 2x3

Reorder the terms:
-8 + X4 + -2x + -7x2 + -2x3 = 8 + 2x + 7x2 + 2x3 + -8 + -2x + -7x2 + -2x3

Reorder the terms:
-8 + X4 + -2x + -7x2 + -2x3 = 8 + -8 + 2x + -2x + 7x2 + -7x2 + 2x3 + -2x3

Combine like terms: 8 + -8 = 0
-8 + X4 + -2x + -7x2 + -2x3 = 0 + 2x + -2x + 7x2 + -7x2 + 2x3 + -2x3
-8 + X4 + -2x + -7x2 + -2x3 = 2x + -2x + 7x2 + -7x2 + 2x3 + -2x3

Combine like terms: 2x + -2x = 0
-8 + X4 + -2x + -7x2 + -2x3 = 0 + 7x2 + -7x2 + 2x3 + -2x3
-8 + X4 + -2x + -7x2 + -2x3 = 7x2 + -7x2 + 2x3 + -2x3

Combine like terms: 7x2 + -7x2 = 0
-8 + X4 + -2x + -7x2 + -2x3 = 0 + 2x3 + -2x3
-8 + X4 + -2x + -7x2 + -2x3 = 2x3 + -2x3

Combine like terms: 2x3 + -2x3 = 0
-8 + X4 + -2x + -7x2 + -2x3 = 0

The solution to this equation could not be determined.

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