x^4+8x^3-16x^2-8X+1=0

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Solution for x^4+8x^3-16x^2-8X+1=0 equation:


Simplifying
x4 + 8x3 + -16x2 + -8X + 1 = 0

Reorder the terms:
1 + -8X + -16x2 + 8x3 + x4 = 0

Solving
1 + -8X + -16x2 + 8x3 + x4 = 0

Solving for variable 'X'.

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

Add '-1' to each side of the equation.
1 + -8X + -16x2 + 8x3 + -1 + x4 = 0 + -1

Reorder the terms:
1 + -1 + -8X + -16x2 + 8x3 + x4 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -8X + -16x2 + 8x3 + x4 = 0 + -1
-8X + -16x2 + 8x3 + x4 = 0 + -1

Combine like terms: 0 + -1 = -1
-8X + -16x2 + 8x3 + x4 = -1

Add '16x2' to each side of the equation.
-8X + -16x2 + 8x3 + 16x2 + x4 = -1 + 16x2

Reorder the terms:
-8X + -16x2 + 16x2 + 8x3 + x4 = -1 + 16x2

Combine like terms: -16x2 + 16x2 = 0
-8X + 0 + 8x3 + x4 = -1 + 16x2
-8X + 8x3 + x4 = -1 + 16x2

Add '-8x3' to each side of the equation.
-8X + 8x3 + -8x3 + x4 = -1 + 16x2 + -8x3

Combine like terms: 8x3 + -8x3 = 0
-8X + 0 + x4 = -1 + 16x2 + -8x3
-8X + x4 = -1 + 16x2 + -8x3

Add '-1x4' to each side of the equation.
-8X + x4 + -1x4 = -1 + 16x2 + -8x3 + -1x4

Combine like terms: x4 + -1x4 = 0
-8X + 0 = -1 + 16x2 + -8x3 + -1x4
-8X = -1 + 16x2 + -8x3 + -1x4

Divide each side by '-8'.
X = 0.125 + -2x2 + x3 + 0.125x4

Simplifying
X = 0.125 + -2x2 + x3 + 0.125x4

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