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Simplifying 2k2 + 6 = 2 + -6k Reorder the terms: 6 + 2k2 = 2 + -6k Solving 6 + 2k2 = 2 + -6k Solving for variable 'k'. Reorder the terms: 6 + -2 + 6k + 2k2 = 2 + -6k + -2 + 6k Combine like terms: 6 + -2 = 4 4 + 6k + 2k2 = 2 + -6k + -2 + 6k Reorder the terms: 4 + 6k + 2k2 = 2 + -2 + -6k + 6k Combine like terms: 2 + -2 = 0 4 + 6k + 2k2 = 0 + -6k + 6k 4 + 6k + 2k2 = -6k + 6k Combine like terms: -6k + 6k = 0 4 + 6k + 2k2 = 0 Factor out the Greatest Common Factor (GCF), '2'. 2(2 + 3k + k2) = 0 Factor a trinomial. 2((2 + k)(1 + k)) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(2 + k)' equal to zero and attempt to solve: Simplifying 2 + k = 0 Solving 2 + k = 0 Move all terms containing k to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + k = 0 + -2 Combine like terms: 2 + -2 = 0 0 + k = 0 + -2 k = 0 + -2 Combine like terms: 0 + -2 = -2 k = -2 Simplifying k = -2Subproblem 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 = -1Solution
k = {-2, -1}
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