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Simplifying kx2 + 3x + 12 = 0 Reorder the terms: 12 + kx2 + 3x = 0 Solving 12 + kx2 + 3x = 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 + kx2 + -12 + 3x = 0 + -12 Reorder the terms: 12 + -12 + kx2 + 3x = 0 + -12 Combine like terms: 12 + -12 = 0 0 + kx2 + 3x = 0 + -12 kx2 + 3x = 0 + -12 Combine like terms: 0 + -12 = -12 kx2 + 3x = -12 Add '-3x' to each side of the equation. kx2 + 3x + -3x = -12 + -3x Combine like terms: 3x + -3x = 0 kx2 + 0 = -12 + -3x kx2 = -12 + -3x Divide each side by 'x2'. k = -12x-2 + -3x-1 Simplifying k = -12x-2 + -3x-1
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