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Simplifying 0 = 2x3 + -5x2 + 7x + 9 Reorder the terms: 0 = 9 + 7x + -5x2 + 2x3 Solving 0 = 9 + 7x + -5x2 + 2x3 Solving for variable 'x'. Combine like terms: 0 + -9 = -9 -9 + -7x + 5x2 + -2x3 = 9 + 7x + -5x2 + 2x3 + -9 + -7x + 5x2 + -2x3 Reorder the terms: -9 + -7x + 5x2 + -2x3 = 9 + -9 + 7x + -7x + -5x2 + 5x2 + 2x3 + -2x3 Combine like terms: 9 + -9 = 0 -9 + -7x + 5x2 + -2x3 = 0 + 7x + -7x + -5x2 + 5x2 + 2x3 + -2x3 -9 + -7x + 5x2 + -2x3 = 7x + -7x + -5x2 + 5x2 + 2x3 + -2x3 Combine like terms: 7x + -7x = 0 -9 + -7x + 5x2 + -2x3 = 0 + -5x2 + 5x2 + 2x3 + -2x3 -9 + -7x + 5x2 + -2x3 = -5x2 + 5x2 + 2x3 + -2x3 Combine like terms: -5x2 + 5x2 = 0 -9 + -7x + 5x2 + -2x3 = 0 + 2x3 + -2x3 -9 + -7x + 5x2 + -2x3 = 2x3 + -2x3 Combine like terms: 2x3 + -2x3 = 0 -9 + -7x + 5x2 + -2x3 = 0 The solution to this equation could not be determined.
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