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Simplifying x2 + 15k + 56 = 0 Reorder the terms: 56 + 15k + x2 = 0 Solving 56 + 15k + x2 = 0 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '-56' to each side of the equation. 56 + 15k + -56 + x2 = 0 + -56 Reorder the terms: 56 + -56 + 15k + x2 = 0 + -56 Combine like terms: 56 + -56 = 0 0 + 15k + x2 = 0 + -56 15k + x2 = 0 + -56 Combine like terms: 0 + -56 = -56 15k + x2 = -56 Add '-1x2' to each side of the equation. 15k + x2 + -1x2 = -56 + -1x2 Combine like terms: x2 + -1x2 = 0 15k + 0 = -56 + -1x2 15k = -56 + -1x2 Divide each side by '15'. k = -3.733333333 + -0.06666666667x2 Simplifying k = -3.733333333 + -0.06666666667x2
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