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Simplifying x + 3 = x2 + kx + -21 Reorder the terms: 3 + x = x2 + kx + -21 Reorder the terms: 3 + x = -21 + kx + x2 Solving 3 + x = -21 + kx + x2 Solving for variable 'x'. Reorder the terms: 3 + 21 + -1kx + x + -1x2 = -21 + kx + x2 + 21 + -1kx + -1x2 Combine like terms: 3 + 21 = 24 24 + -1kx + x + -1x2 = -21 + kx + x2 + 21 + -1kx + -1x2 Reorder the terms: 24 + -1kx + x + -1x2 = -21 + 21 + kx + -1kx + x2 + -1x2 Combine like terms: -21 + 21 = 0 24 + -1kx + x + -1x2 = 0 + kx + -1kx + x2 + -1x2 24 + -1kx + x + -1x2 = kx + -1kx + x2 + -1x2 Combine like terms: kx + -1kx = 0 24 + -1kx + x + -1x2 = 0 + x2 + -1x2 24 + -1kx + x + -1x2 = x2 + -1x2 Combine like terms: x2 + -1x2 = 0 24 + -1kx + x + -1x2 = 0 The solution to this equation could not be determined.
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