x^2+(k-1)x+1=0

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Solution for x^2+(k-1)x+1=0 equation:


Simplifying
x2 + (k + -1) * x + 1 = 0

Reorder the terms:
x2 + (-1 + k) * x + 1 = 0

Reorder the terms for easier multiplication:
x2 + x(-1 + k) + 1 = 0
x2 + (-1 * x + k * x) + 1 = 0

Reorder the terms:
x2 + (kx + -1x) + 1 = 0
x2 + (kx + -1x) + 1 = 0

Reorder the terms:
1 + kx + -1x + x2 = 0

Solving
1 + kx + -1x + x2 = 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 + kx + -1x + -1 + x2 = 0 + -1

Reorder the terms:
1 + -1 + kx + -1x + x2 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + kx + -1x + x2 = 0 + -1
kx + -1x + x2 = 0 + -1

Combine like terms: 0 + -1 = -1
kx + -1x + x2 = -1

Add 'x' to each side of the equation.
kx + -1x + x + x2 = -1 + x

Combine like terms: -1x + x = 0
kx + 0 + x2 = -1 + x
kx + x2 = -1 + x

Add '-1x2' to each side of the equation.
kx + x2 + -1x2 = -1 + x + -1x2

Combine like terms: x2 + -1x2 = 0
kx + 0 = -1 + x + -1x2
kx = -1 + x + -1x2

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

Simplifying
k = -1x-1 + 1 + -1x

Reorder the terms:
k = 1 + -1x-1 + -1x

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