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Simplifying 4x4 + -40x2 + -12x + 9 = 0 Reorder the terms: 9 + -12x + -40x2 + 4x4 = 0 Solving 9 + -12x + -40x2 + 4x4 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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