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Simplifying x3 + kx + 2k + 15 = 0 Reorder the terms: 15 + 2k + kx + x3 = 0 Solving 15 + 2k + kx + x3 = 0 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + 2k + kx + -15 + x3 = 0 + -15 Reorder the terms: 15 + -15 + 2k + kx + x3 = 0 + -15 Combine like terms: 15 + -15 = 0 0 + 2k + kx + x3 = 0 + -15 2k + kx + x3 = 0 + -15 Combine like terms: 0 + -15 = -15 2k + kx + x3 = -15 Add '-1x3' to each side of the equation. 2k + kx + x3 + -1x3 = -15 + -1x3 Combine like terms: x3 + -1x3 = 0 2k + kx + 0 = -15 + -1x3 2k + kx = -15 + -1x3 Reorder the terms: 15 + 2k + kx + x3 = -15 + -1x3 + 15 + x3 Reorder the terms: 15 + 2k + kx + x3 = -15 + 15 + -1x3 + x3 Combine like terms: -15 + 15 = 0 15 + 2k + kx + x3 = 0 + -1x3 + x3 15 + 2k + kx + x3 = -1x3 + x3 Combine like terms: -1x3 + x3 = 0 15 + 2k + kx + x3 = 0 The solution to this equation could not be determined.
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