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Simplifying 0 = x3 + -7x2 + 7x + 15 Reorder the terms: 0 = 15 + 7x + -7x2 + x3 Solving 0 = 15 + 7x + -7x2 + x3 Solving for variable 'x'. Combine like terms: 0 + -15 = -15 -15 + -7x + 7x2 + -1x3 = 15 + 7x + -7x2 + x3 + -15 + -7x + 7x2 + -1x3 Reorder the terms: -15 + -7x + 7x2 + -1x3 = 15 + -15 + 7x + -7x + -7x2 + 7x2 + x3 + -1x3 Combine like terms: 15 + -15 = 0 -15 + -7x + 7x2 + -1x3 = 0 + 7x + -7x + -7x2 + 7x2 + x3 + -1x3 -15 + -7x + 7x2 + -1x3 = 7x + -7x + -7x2 + 7x2 + x3 + -1x3 Combine like terms: 7x + -7x = 0 -15 + -7x + 7x2 + -1x3 = 0 + -7x2 + 7x2 + x3 + -1x3 -15 + -7x + 7x2 + -1x3 = -7x2 + 7x2 + x3 + -1x3 Combine like terms: -7x2 + 7x2 = 0 -15 + -7x + 7x2 + -1x3 = 0 + x3 + -1x3 -15 + -7x + 7x2 + -1x3 = x3 + -1x3 Combine like terms: x3 + -1x3 = 0 -15 + -7x + 7x2 + -1x3 = 0 The solution to this equation could not be determined.
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