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Simplifying 4.9x2 + -80x + 1000 = 0 Reorder the terms: 1000 + -80x + 4.9x2 = 0 Solving 1000 + -80x + 4.9x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 4.9 the coefficient of the squared term: Divide each side by '4.9'. 204.0816327 + -16.32653061x + x2 = 0 Move the constant term to the right: Add '-204.0816327' to each side of the equation. 204.0816327 + -16.32653061x + -204.0816327 + x2 = 0 + -204.0816327 Reorder the terms: 204.0816327 + -204.0816327 + -16.32653061x + x2 = 0 + -204.0816327 Combine like terms: 204.0816327 + -204.0816327 = 0.0000000 0.0000000 + -16.32653061x + x2 = 0 + -204.0816327 -16.32653061x + x2 = 0 + -204.0816327 Combine like terms: 0 + -204.0816327 = -204.0816327 -16.32653061x + x2 = -204.0816327 The x term is -16.32653061x. Take half its coefficient (-8.163265305). Square it (66.63890044) and add it to both sides. Add '66.63890044' to each side of the equation. -16.32653061x + 66.63890044 + x2 = -204.0816327 + 66.63890044 Reorder the terms: 66.63890044 + -16.32653061x + x2 = -204.0816327 + 66.63890044 Combine like terms: -204.0816327 + 66.63890044 = -137.44273226 66.63890044 + -16.32653061x + x2 = -137.44273226 Factor a perfect square on the left side: (x + -8.163265305)(x + -8.163265305) = -137.44273226 Can't calculate square root of the right side. The solution to this equation could not be determined.
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