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Simplifying
k2 = k

Solving
k2 = k

Solving for variable 'k'.

Reorder the terms:
-1k + k2 = k + -1k

Combine like terms: k + -1k = 0
-1k + k2 = 0

Factor out the Greatest Common Factor (GCF), 'k'.
k(-1 + k) = 0

Subproblem 1

Set the factor 'k' equal to zero and attempt to solve: Simplifying k = 0 Solving k = 0 Move all terms containing k to the left, all other terms to the right. Simplifying k = 0

Subproblem 2

Set the factor '(-1 + k)' equal to zero and attempt to solve: Simplifying -1 + k = 0 Solving -1 + k = 0 Move all terms containing k to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + k = 0 + 1 Combine like terms: -1 + 1 = 0 0 + k = 0 + 1 k = 0 + 1 Combine like terms: 0 + 1 = 1 k = 1 Simplifying k = 1

Solution

k = {0, 1}
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