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Simplifying 4x2 + 25y2 + 8x = 21 Reorder the terms: 8x + 4x2 + 25y2 = 21 Solving 8x + 4x2 + 25y2 = 21 Solving for variable 'x'. Reorder the terms: -21 + 8x + 4x2 + 25y2 = 21 + -21 Combine like terms: 21 + -21 = 0 -21 + 8x + 4x2 + 25y2 = 0 The solution to this equation could not be determined.
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