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Simplifying 0 = x3 + -9x2 + 8x + -72 Reorder the terms: 0 = -72 + 8x + -9x2 + x3 Solving 0 = -72 + 8x + -9x2 + x3 Solving for variable 'x'. Combine like terms: 0 + 72 = 72 72 + -8x + 9x2 + -1x3 = -72 + 8x + -9x2 + x3 + 72 + -8x + 9x2 + -1x3 Reorder the terms: 72 + -8x + 9x2 + -1x3 = -72 + 72 + 8x + -8x + -9x2 + 9x2 + x3 + -1x3 Combine like terms: -72 + 72 = 0 72 + -8x + 9x2 + -1x3 = 0 + 8x + -8x + -9x2 + 9x2 + x3 + -1x3 72 + -8x + 9x2 + -1x3 = 8x + -8x + -9x2 + 9x2 + x3 + -1x3 Combine like terms: 8x + -8x = 0 72 + -8x + 9x2 + -1x3 = 0 + -9x2 + 9x2 + x3 + -1x3 72 + -8x + 9x2 + -1x3 = -9x2 + 9x2 + x3 + -1x3 Combine like terms: -9x2 + 9x2 = 0 72 + -8x + 9x2 + -1x3 = 0 + x3 + -1x3 72 + -8x + 9x2 + -1x3 = x3 + -1x3 Combine like terms: x3 + -1x3 = 0 72 + -8x + 9x2 + -1x3 = 0 The solution to this equation could not be determined.
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