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

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


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

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

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

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

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

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

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

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

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

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

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

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

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

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

Simplifying
k = x-1 + 1 + x

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

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