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Simplifying 0 = x2 + kx + 2k + -2 Reorder the terms: 0 = -2 + 2k + kx + x2 Solving 0 = -2 + 2k + kx + x2 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '-2k' to each side of the equation. 0 + -2k = -2 + 2k + kx + -2k + x2 Remove the zero: -2k = -2 + 2k + kx + -2k + x2 Reorder the terms: -2k = -2 + 2k + -2k + kx + x2 Combine like terms: 2k + -2k = 0 -2k = -2 + 0 + kx + x2 -2k = -2 + kx + x2 Add '-1kx' to each side of the equation. -2k + -1kx = -2 + kx + -1kx + x2 Combine like terms: kx + -1kx = 0 -2k + -1kx = -2 + 0 + x2 -2k + -1kx = -2 + x2 Reorder the terms: 2 + -2k + -1kx + -1x2 = -2 + x2 + 2 + -1x2 Reorder the terms: 2 + -2k + -1kx + -1x2 = -2 + 2 + x2 + -1x2 Combine like terms: -2 + 2 = 0 2 + -2k + -1kx + -1x2 = 0 + x2 + -1x2 2 + -2k + -1kx + -1x2 = x2 + -1x2 Combine like terms: x2 + -1x2 = 0 2 + -2k + -1kx + -1x2 = 0 The solution to this equation could not be determined.
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