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Simplifying 0 = x3 + -3x2 + 9x + -7 Reorder the terms: 0 = -7 + 9x + -3x2 + x3 Solving 0 = -7 + 9x + -3x2 + x3 Solving for variable 'x'. Combine like terms: 0 + 7 = 7 7 + -9x + 3x2 + -1x3 = -7 + 9x + -3x2 + x3 + 7 + -9x + 3x2 + -1x3 Reorder the terms: 7 + -9x + 3x2 + -1x3 = -7 + 7 + 9x + -9x + -3x2 + 3x2 + x3 + -1x3 Combine like terms: -7 + 7 = 0 7 + -9x + 3x2 + -1x3 = 0 + 9x + -9x + -3x2 + 3x2 + x3 + -1x3 7 + -9x + 3x2 + -1x3 = 9x + -9x + -3x2 + 3x2 + x3 + -1x3 Combine like terms: 9x + -9x = 0 7 + -9x + 3x2 + -1x3 = 0 + -3x2 + 3x2 + x3 + -1x3 7 + -9x + 3x2 + -1x3 = -3x2 + 3x2 + x3 + -1x3 Combine like terms: -3x2 + 3x2 = 0 7 + -9x + 3x2 + -1x3 = 0 + x3 + -1x3 7 + -9x + 3x2 + -1x3 = x3 + -1x3 Combine like terms: x3 + -1x3 = 0 7 + -9x + 3x2 + -1x3 = 0 The solution to this equation could not be determined.
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