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Simplifying kx3 + -9x2 + 2 = 0 Reorder the terms: 2 + kx3 + -9x2 = 0 Solving 2 + kx3 + -9x2 = 0 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + kx3 + -2 + -9x2 = 0 + -2 Reorder the terms: 2 + -2 + kx3 + -9x2 = 0 + -2 Combine like terms: 2 + -2 = 0 0 + kx3 + -9x2 = 0 + -2 kx3 + -9x2 = 0 + -2 Combine like terms: 0 + -2 = -2 kx3 + -9x2 = -2 Add '9x2' to each side of the equation. kx3 + -9x2 + 9x2 = -2 + 9x2 Combine like terms: -9x2 + 9x2 = 0 kx3 + 0 = -2 + 9x2 kx3 = -2 + 9x2 Divide each side by 'x3'. k = -2x-3 + 9x-1 Simplifying k = -2x-3 + 9x-1
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