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Simplifying x3 + -3x2 + -6x + k = 0 Reorder the terms: k + -6x + -3x2 + x3 = 0 Solving k + -6x + -3x2 + x3 = 0 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '6x' to each side of the equation. k + -6x + -3x2 + 6x + x3 = 0 + 6x Reorder the terms: k + -6x + 6x + -3x2 + x3 = 0 + 6x Combine like terms: -6x + 6x = 0 k + 0 + -3x2 + x3 = 0 + 6x k + -3x2 + x3 = 0 + 6x Remove the zero: k + -3x2 + x3 = 6x Add '3x2' to each side of the equation. k + -3x2 + 3x2 + x3 = 6x + 3x2 Combine like terms: -3x2 + 3x2 = 0 k + 0 + x3 = 6x + 3x2 k + x3 = 6x + 3x2 Add '-1x3' to each side of the equation. k + x3 + -1x3 = 6x + 3x2 + -1x3 Combine like terms: x3 + -1x3 = 0 k + 0 = 6x + 3x2 + -1x3 k = 6x + 3x2 + -1x3 Simplifying k = 6x + 3x2 + -1x3
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