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Simplifying 4x2 + -12x + K + -3 = 0 Reorder the terms: -3 + K + -12x + 4x2 = 0 Solving -3 + K + -12x + 4x2 = 0 Solving for variable 'K'. Move all terms containing K to the left, all other terms to the right. Add '3' to each side of the equation. -3 + K + -12x + 3 + 4x2 = 0 + 3 Reorder the terms: -3 + 3 + K + -12x + 4x2 = 0 + 3 Combine like terms: -3 + 3 = 0 0 + K + -12x + 4x2 = 0 + 3 K + -12x + 4x2 = 0 + 3 Combine like terms: 0 + 3 = 3 K + -12x + 4x2 = 3 Add '12x' to each side of the equation. K + -12x + 12x + 4x2 = 3 + 12x Combine like terms: -12x + 12x = 0 K + 0 + 4x2 = 3 + 12x K + 4x2 = 3 + 12x Add '-4x2' to each side of the equation. K + 4x2 + -4x2 = 3 + 12x + -4x2 Combine like terms: 4x2 + -4x2 = 0 K + 0 = 3 + 12x + -4x2 K = 3 + 12x + -4x2 Simplifying K = 3 + 12x + -4x2
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