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