x^3+kx^2-kx-k-1=0

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Solution for x^3+kx^2-kx-k-1=0 equation:


Simplifying
x3 + kx2 + -1kx + -1k + -1 = 0

Reorder the terms:
-1 + -1k + -1kx + kx2 + x3 = 0

Solving
-1 + -1k + -1kx + kx2 + x3 = 0

Solving for variable 'k'.

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

Add '1' to each side of the equation.
-1 + -1k + -1kx + kx2 + 1 + x3 = 0 + 1

Reorder the terms:
-1 + 1 + -1k + -1kx + kx2 + x3 = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -1k + -1kx + kx2 + x3 = 0 + 1
-1k + -1kx + kx2 + x3 = 0 + 1

Combine like terms: 0 + 1 = 1
-1k + -1kx + kx2 + x3 = 1

Add '-1x3' to each side of the equation.
-1k + -1kx + kx2 + x3 + -1x3 = 1 + -1x3

Combine like terms: x3 + -1x3 = 0
-1k + -1kx + kx2 + 0 = 1 + -1x3
-1k + -1kx + kx2 = 1 + -1x3

Reorder the terms:
-1 + -1k + -1kx + kx2 + x3 = 1 + -1x3 + -1 + x3

Reorder the terms:
-1 + -1k + -1kx + kx2 + x3 = 1 + -1 + -1x3 + x3

Combine like terms: 1 + -1 = 0
-1 + -1k + -1kx + kx2 + x3 = 0 + -1x3 + x3
-1 + -1k + -1kx + kx2 + x3 = -1x3 + x3

Combine like terms: -1x3 + x3 = 0
-1 + -1k + -1kx + kx2 + x3 = 0

The solution to this equation could not be determined.

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