x^3+kx=0

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Solution for x^3+kx=0 equation: 


Simplifying
x3 + kx = 0

Reorder the terms:
kx + x3 = 0

Solving
kx + x3 = 0

Solving for variable 'k'.

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

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

Combine like terms: x3 + -1x3 = 0
kx + 0 = 0 + -1x3
kx = 0 + -1x3
Remove the zero:
kx = -1x3

Divide each side by 'x'.
k = -1x2

Simplifying
k = -1x2

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