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Simplifying 0 = x4 + -4x3 + 7x2 + -16x + 12 Reorder the terms: 0 = 12 + -16x + 7x2 + -4x3 + x4 Solving 0 = 12 + -16x + 7x2 + -4x3 + x4 Solving for variable 'x'. Combine like terms: 0 + -12 = -12 -12 + 16x + -7x2 + 4x3 + -1x4 = 12 + -16x + 7x2 + -4x3 + x4 + -12 + 16x + -7x2 + 4x3 + -1x4 Reorder the terms: -12 + 16x + -7x2 + 4x3 + -1x4 = 12 + -12 + -16x + 16x + 7x2 + -7x2 + -4x3 + 4x3 + x4 + -1x4 Combine like terms: 12 + -12 = 0 -12 + 16x + -7x2 + 4x3 + -1x4 = 0 + -16x + 16x + 7x2 + -7x2 + -4x3 + 4x3 + x4 + -1x4 -12 + 16x + -7x2 + 4x3 + -1x4 = -16x + 16x + 7x2 + -7x2 + -4x3 + 4x3 + x4 + -1x4 Combine like terms: -16x + 16x = 0 -12 + 16x + -7x2 + 4x3 + -1x4 = 0 + 7x2 + -7x2 + -4x3 + 4x3 + x4 + -1x4 -12 + 16x + -7x2 + 4x3 + -1x4 = 7x2 + -7x2 + -4x3 + 4x3 + x4 + -1x4 Combine like terms: 7x2 + -7x2 = 0 -12 + 16x + -7x2 + 4x3 + -1x4 = 0 + -4x3 + 4x3 + x4 + -1x4 -12 + 16x + -7x2 + 4x3 + -1x4 = -4x3 + 4x3 + x4 + -1x4 Combine like terms: -4x3 + 4x3 = 0 -12 + 16x + -7x2 + 4x3 + -1x4 = 0 + x4 + -1x4 -12 + 16x + -7x2 + 4x3 + -1x4 = x4 + -1x4 Combine like terms: x4 + -1x4 = 0 -12 + 16x + -7x2 + 4x3 + -1x4 = 0 The solution to this equation could not be determined.
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