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Simplifying 98.6x2 + 5x + 197.2 = 0 Reorder the terms: 197.2 + 5x + 98.6x2 = 0 Solving 197.2 + 5x + 98.6x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 98.6 the coefficient of the squared term: Divide each side by '98.6'. 2 + 0.05070993915x + x2 = 0 Move the constant term to the right: Add '-2' to each side of the equation. 2 + 0.05070993915x + -2 + x2 = 0 + -2 Reorder the terms: 2 + -2 + 0.05070993915x + x2 = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 0.05070993915x + x2 = 0 + -2 0.05070993915x + x2 = 0 + -2 Combine like terms: 0 + -2 = -2 0.05070993915x + x2 = -2 The x term is 0.05070993915x. Take half its coefficient (0.02535496958). Square it (0.0006428744824) and add it to both sides. Add '0.0006428744824' to each side of the equation. 0.05070993915x + 0.0006428744824 + x2 = -2 + 0.0006428744824 Reorder the terms: 0.0006428744824 + 0.05070993915x + x2 = -2 + 0.0006428744824 Combine like terms: -2 + 0.0006428744824 = -1.9993571255176 0.0006428744824 + 0.05070993915x + x2 = -1.9993571255176 Factor a perfect square on the left side: (x + 0.02535496958)(x + 0.02535496958) = -1.9993571255176 Can't calculate square root of the right side. The solution to this equation could not be determined.
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