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Simplifying kx2 + 12x + -4 = 0 Reorder the terms: -4 + kx2 + 12x = 0 Solving -4 + kx2 + 12x = 0 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '4' to each side of the equation. -4 + kx2 + 4 + 12x = 0 + 4 Reorder the terms: -4 + 4 + kx2 + 12x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + kx2 + 12x = 0 + 4 kx2 + 12x = 0 + 4 Combine like terms: 0 + 4 = 4 kx2 + 12x = 4 Add '-12x' to each side of the equation. kx2 + 12x + -12x = 4 + -12x Combine like terms: 12x + -12x = 0 kx2 + 0 = 4 + -12x kx2 = 4 + -12x Divide each side by 'x2'. k = 4x-2 + -12x-1 Simplifying k = 4x-2 + -12x-1
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