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Simplifying 4C2 + C + 7.9956 = 0 Reorder the terms: 7.9956 + C + 4C2 = 0 Solving 7.9956 + C + 4C2 = 0 Solving for variable 'C'. Begin completing the square. Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'. 1.9989 + 0.25C + C2 = 0 Move the constant term to the right: Add '-1.9989' to each side of the equation. 1.9989 + 0.25C + -1.9989 + C2 = 0 + -1.9989 Reorder the terms: 1.9989 + -1.9989 + 0.25C + C2 = 0 + -1.9989 Combine like terms: 1.9989 + -1.9989 = 0.0000 0.0000 + 0.25C + C2 = 0 + -1.9989 0.25C + C2 = 0 + -1.9989 Combine like terms: 0 + -1.9989 = -1.9989 0.25C + C2 = -1.9989 The C term is C. Take half its coefficient (0.5). Square it (0.25) and add it to both sides. Add '0.25' to each side of the equation. 0.25C + 0.25 + C2 = -1.9989 + 0.25 Reorder the terms: 0.25 + 0.25C + C2 = -1.9989 + 0.25 Combine like terms: -1.9989 + 0.25 = -1.7489 0.25 + 0.25C + C2 = -1.7489 Factor a perfect square on the left side: (C + 0.5)(C + 0.5) = -1.7489 Can't calculate square root of the right side. The solution to this equation could not be determined.
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