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Simplifying 9k2 + -18k + 17 = 0 Reorder the terms: 17 + -18k + 9k2 = 0 Solving 17 + -18k + 9k2 = 0 Solving for variable 'k'. Begin completing the square. Divide all terms by 9 the coefficient of the squared term: Divide each side by '9'. 1.888888889 + -2k + k2 = 0 Move the constant term to the right: Add '-1.888888889' to each side of the equation. 1.888888889 + -2k + -1.888888889 + k2 = 0 + -1.888888889 Reorder the terms: 1.888888889 + -1.888888889 + -2k + k2 = 0 + -1.888888889 Combine like terms: 1.888888889 + -1.888888889 = 0.000000000 0.000000000 + -2k + k2 = 0 + -1.888888889 -2k + k2 = 0 + -1.888888889 Combine like terms: 0 + -1.888888889 = -1.888888889 -2k + k2 = -1.888888889 The k term is -2k. Take half its coefficient (-1). Square it (1) and add it to both sides. Add '1' to each side of the equation. -2k + 1 + k2 = -1.888888889 + 1 Reorder the terms: 1 + -2k + k2 = -1.888888889 + 1 Combine like terms: -1.888888889 + 1 = -0.888888889 1 + -2k + k2 = -0.888888889 Factor a perfect square on the left side: (k + -1)(k + -1) = -0.888888889 Can't calculate square root of the right side. The solution to this equation could not be determined.
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