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Simplifying x4 + -1kx3 + kx2 + 1 = 0 Reorder the terms: 1 + kx2 + -1kx3 + x4 = 0 Solving 1 + kx2 + -1kx3 + x4 = 0 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + kx2 + -1kx3 + -1 + x4 = 0 + -1 Reorder the terms: 1 + -1 + kx2 + -1kx3 + x4 = 0 + -1 Combine like terms: 1 + -1 = 0 0 + kx2 + -1kx3 + x4 = 0 + -1 kx2 + -1kx3 + x4 = 0 + -1 Combine like terms: 0 + -1 = -1 kx2 + -1kx3 + x4 = -1 Add '-1x4' to each side of the equation. kx2 + -1kx3 + x4 + -1x4 = -1 + -1x4 Combine like terms: x4 + -1x4 = 0 kx2 + -1kx3 + 0 = -1 + -1x4 kx2 + -1kx3 = -1 + -1x4 Reorder the terms: 1 + kx2 + -1kx3 + x4 = -1 + -1x4 + 1 + x4 Reorder the terms: 1 + kx2 + -1kx3 + x4 = -1 + 1 + -1x4 + x4 Combine like terms: -1 + 1 = 0 1 + kx2 + -1kx3 + x4 = 0 + -1x4 + x4 1 + kx2 + -1kx3 + x4 = -1x4 + x4 Combine like terms: -1x4 + x4 = 0 1 + kx2 + -1kx3 + x4 = 0 The solution to this equation could not be determined.
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