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Simplifying kx2 + 6x + -18 = 0 Reorder the terms: -18 + kx2 + 6x = 0 Solving -18 + kx2 + 6x = 0 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '18' to each side of the equation. -18 + kx2 + 18 + 6x = 0 + 18 Reorder the terms: -18 + 18 + kx2 + 6x = 0 + 18 Combine like terms: -18 + 18 = 0 0 + kx2 + 6x = 0 + 18 kx2 + 6x = 0 + 18 Combine like terms: 0 + 18 = 18 kx2 + 6x = 18 Add '-6x' to each side of the equation. kx2 + 6x + -6x = 18 + -6x Combine like terms: 6x + -6x = 0 kx2 + 0 = 18 + -6x kx2 = 18 + -6x Divide each side by 'x2'. k = 18x-2 + -6x-1 Simplifying k = 18x-2 + -6x-1
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