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Simplifying 0 = x3 + -9x2 + 15x + 30 Reorder the terms: 0 = 30 + 15x + -9x2 + x3 Solving 0 = 30 + 15x + -9x2 + x3 Solving for variable 'x'. Combine like terms: 0 + -30 = -30 -30 + -15x + 9x2 + -1x3 = 30 + 15x + -9x2 + x3 + -30 + -15x + 9x2 + -1x3 Reorder the terms: -30 + -15x + 9x2 + -1x3 = 30 + -30 + 15x + -15x + -9x2 + 9x2 + x3 + -1x3 Combine like terms: 30 + -30 = 0 -30 + -15x + 9x2 + -1x3 = 0 + 15x + -15x + -9x2 + 9x2 + x3 + -1x3 -30 + -15x + 9x2 + -1x3 = 15x + -15x + -9x2 + 9x2 + x3 + -1x3 Combine like terms: 15x + -15x = 0 -30 + -15x + 9x2 + -1x3 = 0 + -9x2 + 9x2 + x3 + -1x3 -30 + -15x + 9x2 + -1x3 = -9x2 + 9x2 + x3 + -1x3 Combine like terms: -9x2 + 9x2 = 0 -30 + -15x + 9x2 + -1x3 = 0 + x3 + -1x3 -30 + -15x + 9x2 + -1x3 = x3 + -1x3 Combine like terms: x3 + -1x3 = 0 -30 + -15x + 9x2 + -1x3 = 0 The solution to this equation could not be determined.
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