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Simplifying 0 = x3 + -21x2 + 5x + 2 Reorder the terms: 0 = 2 + 5x + -21x2 + x3 Solving 0 = 2 + 5x + -21x2 + x3 Solving for variable 'x'. Combine like terms: 0 + -2 = -2 -2 + -5x + 21x2 + -1x3 = 2 + 5x + -21x2 + x3 + -2 + -5x + 21x2 + -1x3 Reorder the terms: -2 + -5x + 21x2 + -1x3 = 2 + -2 + 5x + -5x + -21x2 + 21x2 + x3 + -1x3 Combine like terms: 2 + -2 = 0 -2 + -5x + 21x2 + -1x3 = 0 + 5x + -5x + -21x2 + 21x2 + x3 + -1x3 -2 + -5x + 21x2 + -1x3 = 5x + -5x + -21x2 + 21x2 + x3 + -1x3 Combine like terms: 5x + -5x = 0 -2 + -5x + 21x2 + -1x3 = 0 + -21x2 + 21x2 + x3 + -1x3 -2 + -5x + 21x2 + -1x3 = -21x2 + 21x2 + x3 + -1x3 Combine like terms: -21x2 + 21x2 = 0 -2 + -5x + 21x2 + -1x3 = 0 + x3 + -1x3 -2 + -5x + 21x2 + -1x3 = x3 + -1x3 Combine like terms: x3 + -1x3 = 0 -2 + -5x + 21x2 + -1x3 = 0 The solution to this equation could not be determined.
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