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Simplifying y2 + 2ky + -5 = 0 Reorder the terms: -5 + 2ky + y2 = 0 Solving -5 + 2ky + y2 = 0 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 2ky + 5 + y2 = 0 + 5 Reorder the terms: -5 + 5 + 2ky + y2 = 0 + 5 Combine like terms: -5 + 5 = 0 0 + 2ky + y2 = 0 + 5 2ky + y2 = 0 + 5 Combine like terms: 0 + 5 = 5 2ky + y2 = 5 Add '-1y2' to each side of the equation. 2ky + y2 + -1y2 = 5 + -1y2 Combine like terms: y2 + -1y2 = 0 2ky + 0 = 5 + -1y2 2ky = 5 + -1y2 Divide each side by '2y'. k = 2.5y-1 + -0.5y Simplifying k = 2.5y-1 + -0.5y
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