x^3+kx^2-6x+8=0

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Solution for x^3+kx^2-6x+8=0 equation:


Simplifying
x3 + kx2 + -6x + 8 = 0

Reorder the terms:
8 + kx2 + -6x + x3 = 0

Solving
8 + kx2 + -6x + x3 = 0

Solving for variable 'k'.

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

Add '-8' to each side of the equation.
8 + kx2 + -6x + -8 + x3 = 0 + -8

Reorder the terms:
8 + -8 + kx2 + -6x + x3 = 0 + -8

Combine like terms: 8 + -8 = 0
0 + kx2 + -6x + x3 = 0 + -8
kx2 + -6x + x3 = 0 + -8

Combine like terms: 0 + -8 = -8
kx2 + -6x + x3 = -8

Add '6x' to each side of the equation.
kx2 + -6x + 6x + x3 = -8 + 6x

Combine like terms: -6x + 6x = 0
kx2 + 0 + x3 = -8 + 6x
kx2 + x3 = -8 + 6x

Add '-1x3' to each side of the equation.
kx2 + x3 + -1x3 = -8 + 6x + -1x3

Combine like terms: x3 + -1x3 = 0
kx2 + 0 = -8 + 6x + -1x3
kx2 = -8 + 6x + -1x3

Divide each side by 'x2'.
k = -8x-2 + 6x-1 + -1x

Simplifying
k = -8x-2 + 6x-1 + -1x

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