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Simplifying 4x2 + 12 + -1k = 0 Reorder the terms: 12 + -1k + 4x2 = 0 Solving 12 + -1k + 4x2 = 0 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -1k + -12 + 4x2 = 0 + -12 Reorder the terms: 12 + -12 + -1k + 4x2 = 0 + -12 Combine like terms: 12 + -12 = 0 0 + -1k + 4x2 = 0 + -12 -1k + 4x2 = 0 + -12 Combine like terms: 0 + -12 = -12 -1k + 4x2 = -12 Add '-4x2' to each side of the equation. -1k + 4x2 + -4x2 = -12 + -4x2 Combine like terms: 4x2 + -4x2 = 0 -1k + 0 = -12 + -4x2 -1k = -12 + -4x2 Divide each side by '-1'. k = 12 + 4x2 Simplifying k = 12 + 4x2
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