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

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


Simplifying
X4 + x3 + -8x + -16 = 0

Reorder the terms:
-16 + X4 + -8x + x3 = 0

Solving
-16 + X4 + -8x + x3 = 0

Solving for variable 'X'.

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

Add '16' to each side of the equation.
-16 + X4 + -8x + 16 + x3 = 0 + 16

Reorder the terms:
-16 + 16 + X4 + -8x + x3 = 0 + 16

Combine like terms: -16 + 16 = 0
0 + X4 + -8x + x3 = 0 + 16
X4 + -8x + x3 = 0 + 16

Combine like terms: 0 + 16 = 16
X4 + -8x + x3 = 16

Add '8x' to each side of the equation.
X4 + -8x + 8x + x3 = 16 + 8x

Combine like terms: -8x + 8x = 0
X4 + 0 + x3 = 16 + 8x
X4 + x3 = 16 + 8x

Add '-1x3' to each side of the equation.
X4 + x3 + -1x3 = 16 + 8x + -1x3

Combine like terms: x3 + -1x3 = 0
X4 + 0 = 16 + 8x + -1x3
X4 = 16 + 8x + -1x3

Simplifying
X4 = 16 + 8x + -1x3

Reorder the terms:
-16 + X4 + -8x + x3 = 16 + 8x + -1x3 + -16 + -8x + x3

Reorder the terms:
-16 + X4 + -8x + x3 = 16 + -16 + 8x + -8x + -1x3 + x3

Combine like terms: 16 + -16 = 0
-16 + X4 + -8x + x3 = 0 + 8x + -8x + -1x3 + x3
-16 + X4 + -8x + x3 = 8x + -8x + -1x3 + x3

Combine like terms: 8x + -8x = 0
-16 + X4 + -8x + x3 = 0 + -1x3 + x3
-16 + X4 + -8x + x3 = -1x3 + x3

Combine like terms: -1x3 + x3 = 0
-16 + X4 + -8x + x3 = 0

The solution to this equation could not be determined.

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