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Simplifying 2x2 + -4x + -1k = 0 Reorder the terms: -1k + -4x + 2x2 = 0 Solving -1k + -4x + 2x2 = 0 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '4x' to each side of the equation. -1k + -4x + 4x + 2x2 = 0 + 4x Combine like terms: -4x + 4x = 0 -1k + 0 + 2x2 = 0 + 4x -1k + 2x2 = 0 + 4x Remove the zero: -1k + 2x2 = 4x Add '-2x2' to each side of the equation. -1k + 2x2 + -2x2 = 4x + -2x2 Combine like terms: 2x2 + -2x2 = 0 -1k + 0 = 4x + -2x2 -1k = 4x + -2x2 Divide each side by '-1'. k = -4x + 2x2 Simplifying k = -4x + 2x2
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