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Simplifying k2 + -26k + -56 = 0 Reorder the terms: -56 + -26k + k2 = 0 Solving -56 + -26k + k2 = 0 Solving for variable 'k'. Factor a trinomial. (-2 + -1k)(28 + -1k) = 0Subproblem 1
Set the factor '(-2 + -1k)' equal to zero and attempt to solve: Simplifying -2 + -1k = 0 Solving -2 + -1k = 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 + -1k = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1k = 0 + 2 -1k = 0 + 2 Combine like terms: 0 + 2 = 2 -1k = 2 Divide each side by '-1'. k = -2 Simplifying k = -2Subproblem 2
Set the factor '(28 + -1k)' equal to zero and attempt to solve: Simplifying 28 + -1k = 0 Solving 28 + -1k = 0 Move all terms containing k to the left, all other terms to the right. Add '-28' to each side of the equation. 28 + -28 + -1k = 0 + -28 Combine like terms: 28 + -28 = 0 0 + -1k = 0 + -28 -1k = 0 + -28 Combine like terms: 0 + -28 = -28 -1k = -28 Divide each side by '-1'. k = 28 Simplifying k = 28Solution
k = {-2, 28}
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